掲載種別：研究論文（学術雑誌）   出版者・発行元：Springer Science and Business Media LLC  

Abstract

Lymph node metastasis, primarily caused by the migration of oral squamous cell carcinoma (OSCC) cells, stands as a crucial prognostic marker. We have previously demonstrated that EP4, a subtype of the prostaglandin E2 (PGE2) receptor, orchestrates OSCC cell migration via Ca²⁺ signaling. The exact mechanisms by which EP4 influences cell migration through Ca²⁺ signaling, however, is unclear. Our study aims to clarify how EP4 controls OSCC cell migration through this pathway. We find that activating EP4 with an agonist (ONO-AE1-473) increased intracellular Ca²⁺ levels and the migration of human oral cancer cells (HSC-3), but not human gingival fibroblasts (HGnF). Further RNA sequencing linked EP4 to calmodulin-like protein 6 (CALML6), whose role remains undefined in OSCC. Through protein-protein interaction network analysis, a strong connection is identified between CALML6 and calcium/calmodulin-dependent protein kinase kinase 2 (CaMKK2), with EP4 activation also boosting mitochondrial function. Overexpressing EP4 in HSC-3 cells increases experimental lung metastasis in mice, whereas inhibiting CaMKK2 with STO-609 markedly lowers these metastases. This positions CaMKK2 as a potential new target for treating OSCC metastasis. Our findings highlight CALML6 as a pivotal regulator in EP4-driven mitochondrial respiration, affecting cell migration and metastasis via the CaMKK2 pathway.

DOI： 10.1038/s42003-024-06231-4

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その他リンク： https://www.nature.com/articles/s42003-024-06231-4

記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1177/01455613241239526

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1016/j.jds.2023.11.022

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記述言語：日本語   出版者・発行元：(NPO)日本歯周病学会  

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掲載種別：研究論文（学術雑誌）  

DOI： 10.1016/j.ajoms.2023.07.015

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1177/01455613241236052

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1016/j.jds.2023.11.002

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1016/j.jds.2023.10.008

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1016/j.jds.2023.08.011

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1016/j.jds.2023.09.021

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1016/j.jds.2023.09.029

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1016/j.jds.2023.09.031

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1016/j.jds.2023.10.009

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1016/j.jds.2023.09.012

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

In-house repositioning methods based on three-dimensional (3D)-printing technology and the use of pre-bent plates has been gaining popularity in orthognathic surgery. However, there remains room for further improvement in methods and investigations on clinical factors that affect accuracy. This single-centre, prospective study included 34 patients and aimed to evaluate the accuracy and factors influencing maxillary and mandibular repositioning using pre-bent locking plates. The plates were manually pre-bent on the 3D-printed models of the planned position, and their hole positions were scanned and reproduced intraoperatively with osteotomy guides. The accuracy of repositioning and plate-hole positioning was calculated in three axes with the set landmarks. The following clinical factors that affect repositioning accuracy were also verified: deviation of the plate-hole positioning, amount of planned movement, and amount of simulated bony interference. The median deviations of the repositioning and hole positioning between the preoperative plan and postoperative results were 0.26 mm and 0.23 mm, respectively, in the maxilla, and 0.69 mm and 0.36 mm, respectively, in the mandible, suggesting that the method was highly accurate, and the repositioning concept based on the plate hole and form matching was more effective in the maxilla. Results of the correlation test suggest that large amounts of bony interference and plate-hole positioning errors in the up/down direction could reduce mandibular repositioning accuracy.

DOI： 10.1016/j.bjoms.2023.07.008

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掲載種別：研究論文（学術雑誌）   出版者・発行元：MDPI AG  

The exact mechanisms by which implant surface properties govern osseointegration are incompletely understood. To gain insights into this process, we examined alterations in protein and blood recruitment around screw implants with different surface topographies and wettability using a computational fluid dynamics (CFD) model. Compared with a smooth surface, a microrough implant surface reduced protein infiltration from the outer zone to the implant thread and interface zones by over two-fold. However, the microrough implant surface slowed blood flow in the interface zone by four-fold. As a result, compared with the smooth surface, the microrough surface doubled the protein recruitment/retention index, defined as the mass of proteins present in the area per unit time. Converting implant surfaces from hydrophobic to superhydrophilic increased the mass of protein infiltration 2–3 times and slowed down blood flow by up to two-fold in the implant vicinity for both smooth and microrough surfaces. The protein recruitment/retention index was highest at the implant interface when the implant surface was superhydrophilic and microrough. Thus, this study demonstrates distinct control of the mass and speed of protein and blood flow through implant surface topography, wettability, and their combination, significantly altering the efficiency of protein recruitment. Although microrough surfaces showed both positive and negative impacts on protein recruitment over smooth surfaces, superhydrophilicity was consistently positive regardless of surface topography.

DOI： 10.3390/ijms242115618

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1016/j.jds.2023.07.022

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1016/j.jds.2023.07.003

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

BACKGROUND/AIM: Cervical lymph node metastasis worsens oral cancer prognosis. Cancer cells with high metastatic ability can delay or resist apoptosis and survive in the floating condition during circulation. The involved genes and pathways in this process remain largely unknown. This study aimed to establish an oral cancer cell line adapted to suspension culture by in vitro selection and perform gene expression analysis. MATERIALS AND METHODS: The oral cancer cell subline adapted to suspension culture was isolated by in vitro selection from the oral cancer cell line, HSC-3. The transcriptome profiles of HSC-3 and its subline were compared using gene expression microarrays. Gene Ontology (GO) enrichment analysis, Gene Set Enrichment Analysis (GSEA), and Ingenuity Pathway Analysis (IPA) were performed to predict the involved pathways and molecules in cancer progression. RESULTS: The subline was designated as HSC-3S5 The cellular viability of HSC-3S5 cells at the suspension culture was higher than that of HSC-3 cells. A total of 961 genes were differentially expressed between HSC-3 and HSC-3S5 cells under the threshold cut-off (FDR-adjusted p-value of <0.05 and absolute fold change of >1.5). GO terms, such as growth regulation, were enriched in the DEGs. GSEA revealed the association between the DEGs and significant gene sets, including metastasis and stemness. IPA predicted that the proliferation-related pathways were enhanced while the apoptotic pathway was inhibited in HSC-3S5 cells compared to HSC-3 cells. CONCLUSION: Our transcriptome analysis revealed several potentially activated pathways and molecules in the floating-adapted oral cancer cells and indicated molecular implications for cancer progression.

DOI： 10.21873/anticanres.16578

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掲載種別：研究論文（学術雑誌）   出版者・発行元：MDPI AG  

The mechanisms underlying bone-implant integration, or osseointegration, are still incompletely understood, in particular how blood and proteins are recruited to implant surfaces. The objective of this study was to visualize and quantify the flow of blood and the model protein fibrinogen using a computational fluid dynamics (CFD) implant model. Implants with screws were designed with three different surface topographies: (1) amorphous, (2) nano-trabecular, and (3) hybrid meso-spikes and nano-trabeculae. The implant with nano-topography recruited more blood and fibrinogen to the implant interface than the amorphous implant. Implants with hybrid topography further increased recruitment, with particularly efficient recruitment from the thread area to the interface. Blood movement significantly slowed at the implant interface compared with the thread area for all implants. The blood velocity at the interface was 3- and 4-fold lower for the hybrid topography compared with the nano-topography and amorphous surfaces, respectively. Thus, this study for the first time provides insights into how different implant surfaces regulate blood dynamics and the potential advantages of surface texturization in blood and protein recruitment and retention. In particular, co-texturization with a hybrid meso- and nano-topography created the most favorable microenvironment. The established CFD model is simple, low-cost, and expected to be useful for a wide range of studies designing and optimizing implants at the macro and micro levels.

DOI： 10.3390/biomimetics8040376

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

The aim of this retrospective study was to evaluate the accuracy of maxillary positioning with mandibular autorotation using the straight locking miniplate (SLM) technique and computer-aided design/computer-aided manufacturing (CAD/CAM) wafers on postoperative stability in patients with skeletal class II malocclusion and condylar osteoarthritis. Cephalometric analysis of the maxillary position and MA center (ARC) before (T0), 3 days (T1), 3 months (T2), and 1 year (T3) after surgery was performed. Analysis of 21 patients revealed a mean movement of -2.0 ± 2.2 mm (x-axis) and 5.4 ± 2.4 mm (y-axis) at U1 and of -1.5 ± 2.4 mm (x-axis) and 4.9 ± 1.6 mm (y-axis) at U7. The SNA, SNB, ANB, and SN-MP angles and ramus inclination at T0 were significantly different from those at T1, T2, and T3. The distance from the ARC to the Co of T2 and T3 was significantly smaller than that of T1 on the x-axis, indicating that the ARC converged horizontally to Co. There was no significant difference in the amount of rotation at any time point. Accurate maxillary positioning with mandibular autorotation using SLM and CAD/CAM wafers may correct the unstable rotation axis of the mandible and prevent early postoperative relapse.

DOI： 10.1016/j.jcms.2023.08.016

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

BACKGROUND/AIM: Hyperthermia (HT), combined with chemotherapy, has been used to treat various types of cancer. This study aimed to investigate the HT-sensitivity of malignant and non-malignant cells, and then evaluate the combination effect of docetaxel (DTX) and a newly synthesized chromone derivative (compound A) with HT. MATERIALS AND METHODS: The number of viable cells was determined using the MTT method. Cell cycle distribution was analyzed using a cell sorter, and DNA fragmentation pattern was detected using agarose gel electrophoresis. RESULTS: Among 12 cultured cells, oral squamous cell carcinoma (OSCC), especially Ca9-22 cells, and myelogenous leukemia cells showed higher sensitivity to HT than lung carcinoma and glioblastoma cell lines, while normal oral cells were the most resistant. Cytotoxicity of DTX on Ca9-22 cells was maximum at 41-42°C and 45~60 min exposure to HT. DXT, compound A, and HT induced G2/M arrest of Ca-22 cells. Mild HT enhanced the DTX- and compound A-induced subG1 arrest, in a synergistic fashion. CONCLUSION: The combination G2/M blockers and mild-HT can potentially be used for the treatment of OSCC.

DOI： 10.21873/anticanres.16518

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

PURPOSE: Retrograde superselective intra-arterial chemoradiotherapy is a radical treatment for advanced oral cancer. The catheter tip is placed into tumor-feeding arteries-the lingual, facial, or maxillary arteries. The diameter of the tumor-feeding arteries newly bifurcated from the external carotid artery is crucial for determining the requirement of a catheter navigation system. This study aimed to measure the diameter and distribution of the tumor-feeding artery according to an objective protocol using 3D computed tomography angiography images reproducibly. METHODS: Angiographic data of 20 noncatheterized carotid arteriesof 10 randomly selected patients were analyzed. We followed the external carotid artery to the entrance of each feeding artery to determine the center point where the artery diameter was measured. The diameter of the optimum circle measured at the adopted center point was taken as the diameter of each tumor-feeding artery. RESULTS: The diameters (mean ± standard deviation) were 3.5 ± 0.45, 2.9 ± 0.56, and 3.5 ± 0.56 mm for the maxillary, lingual, and facial arteries, respectively. The diameters of the maxillary and facial arteries were similar (p = 0.877), whereas the diameter of the lingual artery was smaller than that of the maxillary and facial arteries (p < 0.001). CONCLUSION: The findings of this study will be beneficial in determining the need of a new catheter navigation system and diameter of catheters to be used in the clinical practice. From the viewpoint of measurement automation and reproducibility, 3DCTA vessel measurement taken according to the proposed protocol was considered to be effective.

DOI： 10.1007/s11548-023-02992-1

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1007/s12262-023-03847-4

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

This retrospective study aimed to assess the accuracy of prebent plates and computer-aided design and manufacturing osteotomy guide for orthognathic surgery. The prebent plates correspondent to the planning model were scanned with a 3-dimensional printed model for guide design and used for fixation. Forty-two patients who underwent bimaxillary orthognathic surgery using computer-aided design and manufacturing intermediate splint with the guide (guided group: 20 patients) or with conventional fixation under straight locking miniplates (SLMs) technique (SLM group: 20 patients) were analyzed. A deviation of the maxilla between the planned and postoperative positions was evaluated using computed tomography, which was taken 2 weeks before and 4 days after the surgery. The surgery time and the infraorbital nerve paranesthesia were also evaluated. The mean deviations in the mediolateral (x), anteroposterior (y), and vertical directions (z) were 0.25, 0.50, and 0.37 mm, respectively, in the guided group, while that in the SLM group were 0.57, 0.52, and 0.82 mm, respectively. There were significant differences in x and z coordinates (P<0.001). No significant difference in the surgery duration and paranesthesia was seen, suggesting the present method offers a half-millimeter accuracy for the maxillary repositioning without increasing the risk of extending surgery duration and nerve complication.

DOI： 10.1097/SCS.0000000000009409

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

BACKGROUND: The incidence of multicentric oral cancer is increasing. However, treatment encounters difficulty if each tumor needs to be treated simultaneously. The objective of this clinical case report is to highlight the effect of concurrent chemoradiotherapy with retrograde superselective intra-arterial infusion combined with systemic administration of cetuximab on synchronous multifocal oral squamous cell carcinomas. CASE PRESENTATION: A 70-year-old man presented to the hospital with multiple tumors and oral pain. Three independent tumors were found in the right dorsal tongue, left edge of the tongue, and left lower lip. Based on the characteristic appearance of the lesions and further evaluation, clinical diagnoses of right tongue cancer "T3", left tongue cancer "T2" and lower left lip cancer "T1", N2cM0 were made. Treatment was initiated with systemic administration of cetuximab, followed by intra-arterial chemoradiotherapy. Treatment results were complete response on all three local lesions, and left neck dissection was performed following the initial treatment. The patient showed no evidence of recurrence during the 4 years follow-up period. CONCLUSIONS: This novel combination treatment seems to be a promising strategy for patients with synchronous multifocal oral squamous cell carcinoma.

DOI： 10.1186/s13014-023-02282-9

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記述言語：日本語   出版者・発行元：(NPO)日本顎変形症学会  

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記述言語：日本語   出版者・発行元：(一社)日本頭頸部癌学会  

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.3390/app13063893

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

BACKGROUND/AIM: We investigated the influence of the preoperative Oral Health Assessment Tool (OHAT) score on the outcomes of patients with esophageal cancer after curative surgery. PATIENTS AND METHODS: This study included 90 patients with esophageal cancer who underwent curative surgery and who were screened with the OHAT between 2008 and 2021. The OHAT consists of eight categories with three possible scores. The risk factors for 5-year overall survival (OS) and recurrence-free survival (RFS) were identified. RESULTS: Patients were divided into healthy (n=42) and unhealthy (n=48) groups. The OHAT score was identified as a significant risk factor for postoperative pneumonia (11.9% vs. 43.8%, p=0.001) and postoperative hospital stay (20.5 days vs. 50.1 days, p=0.042). The 5-year OS rate after surgery was 71.2% in the healthy group and 43.2% in the unhealthy group, which was a significant difference (p=0.015). A multivariate analysis showed that a high OHAT score was a significant independent factor for 5-year OS (p=0.034). CONCLUSION: The OHAT score was a useful prognostic marker in patients who underwent curative surgery for esophageal cancer. To improve the oncological outcomes of patients with esophageal cancer, it is necessary to carefully plan perioperative oral/dental care using the OHAT score.

DOI： 10.21873/invivo.13327

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掲載種別：研究論文（学術雑誌）   出版者・発行元：Anticancer Research USA Inc.  

DOI： 10.21873/cgp.20365

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1016/j.jds.2023.11.018

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

PURPOSE: We examined blood and protein dynamics potentially influenced by implant threads and hydrophilic/hydrophobic states of implant surfaces. METHODS: A computational fluid dynamics model was created for a screw-shaped implant with a water contact angle of 70° (hydrophobic surface) and 0° (superhydrophilic surface). Movements and density of blood and fibrinogen as a representative wound healing protein were visualized and quantified during constant blood inflow. RESULTS: Blood plasma did not occupy 40-50% of the implant interface or the inside of threads around hydrophobic implants, whereas such blood voids were nearly completely eliminated around superhydrophilic implants. Whole blood field vectors were disorganized and random within hydrophobic threads but formed vortex nodes surrounded by stable blood streams along the superhydrophilic implant surface. The averaged vector within threads was away from the implant surface for the hydrophobic implant and towards the implant surface for the superhydrophilic implant. Rapid and massive whole blood influx into the thread zone was only seen for the superhydrophilic implant, whereas a line of conflicting vectors formed at the entrance of the thread area of the hydrophobic implant to prevent blood influx. The fibrinogen density was up to 20-times greater at the superhydrophilic implant interface than the hydrophobic one. Fibrinogen density was higher at the interface than outside the threads only for the superhydrophilic implant. CONCLUSIONS: Implant threads and surface hydrophilicity have profound effects on vector and distribution of blood and proteins. Critically, implant threads formed significant biological voids at the interface that were negated by superhydrophilicity-induced contact hemodynamics.

DOI： 10.2186/jpr.JPR_D_22_00225

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

Vertical bone augmentation to create host bone prior to implant placement is one of the most challenging regenerative procedures. The objective of this study is to evaluate the capacity of a UV-photofunctionalized titanium microfiber scaffold to recruit osteoblasts, generate intra-scaffold bone, and integrate with host bone in a vertical augmentation model with unidirectional, limited blood supply. Scaffolds were fabricated by molding and sintering grade 1 commercially pure titanium microfibers (20 μm diameter) and treated with UVC light (200-280 nm wavelength) emitted from a low-pressure mercury lamp for 20 min immediately before experiments. The scaffolds had an even and dense fiber network with 87% porosity and 20-50 mm inter-fiber distance. Surface carbon reduced from 30% on untreated scaffold to 10% after UV treatment, which corresponded to hydro-repellent to superhydrophilic conversion. Vertical infiltration testing revealed that UV-treated scaffolds absorbed 4-, 14-, and 15-times more blood, water, and glycerol than untreated scaffolds, respectively. In vitro, four-times more osteoblasts attached to UV-treated scaffolds than untreated scaffolds three hours after seeding. On day 2, there were 70% more osteoblasts on UV-treated scaffolds. Fluorescent microscopy visualized confluent osteoblasts on UV-treated microfibers two days after seeding but sparse and separated cells on untreated microfibers. Alkaline phosphatase activity and osteocalcin gene expression were significantly greater in osteoblasts grown on UV-treated microfiber scaffolds. In an in vivo model of vertical augmentation on rat femoral cortical bone, the interfacial strength between innate cortical bone and UV-treated microfiber scaffold after two weeks of healing was double that observed between bone and untreated scaffold. Morphological and chemical analysis confirmed seamless integration of the innate cortical and regenerated bone within microfiber networks for UV-treated scaffolds. These results indicate synergy between titanium microfiber scaffolds and UV photofunctionalization to provide a novel and effective strategy for vertical bone augmentation.

DOI： 10.3390/cells12010019

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

OBJECTIVES: Immunotherapy with nivolumab for patients with recurrent/metastatic oral squamous cell carcinoma has not been evaluated. Here, we aimed to examine the efficacy, safety, and prognostic factors of nivolumab in these patients. MATERIALS AND METHODS: This multicenter retrospective observational study involved patients who received nivolumab between April 2017 and June 2019. The patient characteristics were evaluated for association with progression-free and overall survival. Progression-free and overall survival rates were calculated; parameters that were significant in the univariate analysis were used as explanatory variables. Independent factors for progression-free and overall survival were identified using multivariate analysis. RESULTS: Totally, 143 patients were included. The overall response and disease control rates were 27.3% and 46.2%, respectively. The median, 1- and 2-year progression-free survival rates were 2.7 months, 25.4%, and 19.2%, respectively; those for overall survival were 11.2 months, 47.3%, and 33.6%, respectively. The independent factors affecting progression-free survival were performance status and immune-related adverse event occurrence, whereas those affecting overall survival were performance status, target disease, and number of previous lines of systemic cancer therapy. Eight patients reported grade ≥3 immune-related adverse events. CONCLUSION: Nivolumab was effective for recurrent/metastatic oral squamous cell carcinoma treatment and was well tolerated by patients.

DOI： 10.1111/odi.14471

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記述言語：日本語   出版者・発行元：(NPO)日本歯周病学会  

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

BACKGROUND/AIM: SIRT6 is one of seven human sirtuin genes and is known to act as an onco-suppressor gene in colorectal and ovarian cancers, although it is up-regulated in other cancers. Thus, SIRT6 is considered performing both tumor-suppressing and promoting roles. However, the association of SIRT6 with oral squamous cell carcinoma (OSCC) and its role in OSCC pathogenesis is currently unclear. This study aimed to investigate the expression of SIRT6 in patients with OSCC and its potential as a biomarker for early detection and prognosis prediction. MATERIALS AND METHODS: Immunohistochemistry, quantitative real-time RT-PCR, and microarray analyses were performed to determine SIRT6 expression and its association with clinicopathological features in OSCC using clinical specimens. RESULTS: SIRT6 mRNA and protein expression levels were higher in OSCC tissues than in noncancerous tissues (p<0.05). SIRT6 expression was predominant in patients aged ≥65 years and significantly correlated with shorter overall survival. In the microarray analysis, some SIRT6-associated genes, such as ANXA2, were up-regulated in OSCC. CONCLUSION: SIRT6 plays a role in tumor homeostasis, leading to a poor prognosis in OSCC. SIRT6 may represent a novel target not only for treatment, but also as a prognostic marker in OSCC.

DOI： 10.21873/anticanres.15872

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

ABSTRACT: The extraoral approach with the risk of facial nerve injury and the visible scar is commonly performed for an elongated styloid process, because intraoral styloidectomy is challenging for the deep and limited surgical field. The authors report minimally invasive intraoral styloidectomy using an endoscope with tissue retractor. A 57-year-old female was referred to our department with a left pharyngeal foreign body sensation and pharyngeal pain after head turning and neck compression. Clinical and radiological diagnosis was an elongated styloid process (Eagle syndrome). Because the styloid process could be palpated intraorally, the patient underwent endoscopically-assisted intraoral styloidectomy without tonsillectomy under general anesthesia as minimally invasive surgery. The styloid process was resected safely with a piezoelectric surgical device under endoscopic guidance. The postoperative course was uneventful without complications.

DOI： 10.1097/SCS.0000000000008165

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記述言語：日本語   出版者・発行元：(NPO)日本顎変形症学会  

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記述言語：日本語   出版者・発行元：(一社)日本頭頸部癌学会  

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記述言語：日本語   出版者・発行元：(NPO)日本顎変形症学会  

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

ABSTRACT: The purpose of this study was to investigate the clinical anatomy of the feeding artery of the submandibular gland (SMG). A total of 199 SMG removals were performed in extraoral or intraoral approach with/without endoscopic assistance by a single surgeon. The feeding artery of the SMG was always identified intraoperatively and recorded in the operation record. The clinical anatomy of the feeding artery of the SMG was investigated based on the intraoperative findings. The facial artery was ligated and transected for the involvement of tumor or severe inflammation in 16 (8.0%) procedures. The feeding artery was investigated in the remaining 183 procedures. The mean number of the glandular branch was 1.5. There were 1 branch in 98 procedures (53.6%), 2 branches in 80 procedures (43.7%), and 3 branches in 5 procedures (2.7%). Detailed anatomical knowledge of the feeding artery of the SMG is useful for proper dissection of the SMG and preservation of the facial artery.

DOI： 10.1097/SCS.0000000000008613

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1177/01455613221076784

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

ABSTRACT: Submandibular gland mucoceles, which are very rare cystic lesions, make differentiation from other cystic neck masses such as plunging ranula and cystic lymphatic malformation difficult. The authors report a rare huge submandibular gland mucocele with diagnostic difficulties. A 39-year-old woman with painless swelling in the left submandibular region underwent OK-432 injection therapy with a diagnosis of plunging ranula at another hospital. However, she was referred to our department for recurrent swelling. Computed tomography showed a well-circumscribed, multilocular, low-density lesion in the left submandibular region. Fine needle aspiration was performed, and the content of the cystic lesion was yellowish-brown serous fluid. After the fine needle aspiration, computed tomography was performed. The cystic lesion was radiologically diagnosed as submandibular gland mucocele. Therefore, the patient underwent endoscopically-assisted intraoral removal of the sublingual and submandibular glands under general anesthesia. The pathological diagnosis was submandibular gland mucocele.

DOI： 10.1097/SCS.0000000000008532

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

The aim of this study was to evaluate the therapeutic efficacy and safety of proton beam therapy combined with retrograde intra-arterial infusion chemotherapy in elderly patients with locally advanced oral cancer. Between February 2009 and October 2019, 42 oral cancer patients aged ≥75 years were treated with this therapy. Median age was 80 years (range 75-90 years) and the median follow-up duration was 39 months (range 2-106 months). Of the 42 patients, 34 (81%) were diagnosed with stage IV cancer. The 3-year overall survival, local control, progression-free survival, and disease-specific survival rates were 56%, 69%, 32%, and 67%, respectively. Regarding acute toxicities, grade 3 neutropenia was observed in six patients (14%), anaemia in five (12%), acute kidney injury in one (2%), and oral mucositis in 18 (42%). Late toxicities of grade 3 were observed in seven patients: dysphagia in six (14%) and osteonecrosis of the jaw in one (2%). This study showed that proton beam therapy combined with retrograde intra-arterial infusion chemotherapy was effective for elderly patients with oral cancer, and toxicities were tolerable and manageable. The study findings suggest that this therapy is a potential treatment option for elderly oral cancer patients with difficulty in surgery and systemic chemotherapy.

DOI： 10.1016/j.ijom.2022.01.014

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1016/j.anorl.2021.11.009

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1177/01455613221074134

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記述言語：英語  

DOI： 10.1016/j.anorl.2021.12.005

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

PURPOSE: Radioisotope (RI) tracers are generally used for preoperative mapping of sentinel lymph node (SLN) and intraoperative detection with a portable γ probe. However, the use of RI has several limitations. Therefore, a method without RI is required for the widespread application of SLN biopsy. The purpose of this study was to evaluate the feasibility of SLN biopsy with a handheld cordless magnetic probe following magnetic resonance lymphography (MRL) using superparamagnetic iron oxide (SPIO) and for clinically N0 early oral cancer. MATERIALS AND METHODS: MRL using SPIO and SLNB with the handheld cordless magnetic probe were performed for 27 patients with clinically N0 early oral cancer. RESULTS: In all 27 patients (100%), SLNs were detected by MRL, and the total and mean number of SLNs were 73 and 2.7, respectively. All SLNs identified by MRL were detectable using the magnetic probe in all patients. CONCLUSIONS: SLNB with handheld cordless magnetic probe following preoperative SLN mapping by MRL using SPIO is feasible, without RI use, for neck management in cases of clinically N0 early oral cancer.

DOI： 10.1016/j.jormas.2022.01.003

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記述言語：英語  

DOI： 10.1097/SCS.0000000000009015

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1007/s12262-022-03327-1

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1016/j.anorl.2021.11.008

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記述言語：日本語   出版者・発行元：(公社)日本矯正歯科学会  

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

ABSTRACT: The purpose of this study was to investigate the anatomical relationship between the lingual nerve and submandibular duct. This study included 1403 patients with submandibular or sublingual gland diseases who underwent intraoral removal of submandibular gland sialoliths, submandibular glands, or sublingual glands. Of all patients, 33 patients underwent bilateral surgeries. All surgeries were performed a single surgeon, and the anatomical relationship between the lingual nerve and submandibular duct was always identified intraoperatively and recorded in the operation recorded. The anatomical relationship was investigated based on the intraoperative findings. The lingual nerve which crosses above the submandibular duct was detected in 8 of 1436 sides (0.6%). There were 4 in the right sides and 4 in the left sides. The lingual nerve below the submandibular gland was seen in 99.4%. Although the lingual nerve crosses above the submandibular duct with a rarer incidence, surgeons should beware of injuring the lingual nerve during intraoral salivary gland surgery.

DOI： 10.1097/SCS.0000000000008168

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

In oral and maxillofacial surgery such as orthognathic surgery and open treatment of maxillofacial fracture, plate fixation is commonly performed. Although the removal of titanium miniplates is controversial, the plates are removed routinely or symptomatically. By excessive torque during the screw removal, stripping or breaking of screw heads may occur. Although miniplates and screws are used with angled screwdrivers for osteosynthesis in bilateral sagittal split osteotomy (BSSO) or open treatment of mandibular angle or subcondylar fracture, the removal of a damaged screw, especially with the angled screwdriver, is very difficult. Therefore, we report a simple method with a sterilized surgical glove for removal of the stripped screw.

DOI： 10.1016/j.jormas.2021.09.005

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記述言語：日本語   出版者・発行元：(一社)日本ハイパーサーミア学会  

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

Background: Osteochondromas of the mandibular condyle show facial asymmetry and malocclusion. Because condylar osteochondromas are generally resected in a preauricular approach with risks of facial nerve injury and visible scar, the authors report endoscopically assisted intraoral resection of osteochondroma of the mandibular condyle with a piezoelectric surgical device.Case presentation: A 38-year-old woman presented with malocclusion and facial asymmetry caused by deviation of the chin to the left. Computed tomography showed a hyperdense, well-circumscribed mass arising from the medial aspect of the right mandibular condyle with resorption of the skull base. The patient underwent an endoscopically-assisted intraoral condylectomy with a piezoelectric surgical device. The postoperative course was uneventful without trismus, malocclusion, or facial asymmetry, and there was no recurrence 4 years after surgery.Conclusion:Endoscopically assisted intraoral resection of osteochondroma of the mandibular condyle with a piezoelectric surgical device is a minimally invasive and safe surgery.

DOI： 10.1080/08869634.2021.1953824

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掲載種別：研究論文（学術雑誌）   出版者・発行元：Japanese Society of Oral and Maxillofacial Surgeons  

DOI： 10.5794/jjoms.67.395

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記述言語：英語   掲載種別：研究論文（学術雑誌）   出版者・発行元：Elsevier Ltd  

DOI： 10.1016/j.ajoms.2020.12.007

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

This study was conducted to determine the most secure implant positioning on the marginally resected mandible to support a fixed complete denture through finite element analysis. Three or four implants were placed at near, middle, or far positions from the resected margin in a simulation model with a symmetrical marginal defect in the mandibular symphysis. The height of the residual bone was 5, 10, or 15 mm. The four possible implant patterns for 3 or 4 implants were defined as: (1) asymmetrically isolated position one to position two, (2) asymmetrically isolated position one to position three, (3) asymmetrically isolated with greater length position one to position two, and (4) two implants symmetrically positioned on each side of the defect. The von Mises stress in the resected and peri-implant bone with respect to the occlusal force was calculated. Initially, as the peri-implant bone stress around isolated implant at the near position was greater than at the middle and far positions regardless of the residual bone height, the near position was excluded. Second, the von Mises stress in the resected bone region was > 10 MPa when the isolated implant was at the far position, and it increased inversely depending on the bone height. However, the stress was < 10 MPa when the isolated implant was placed at the middle position regardless of the bone height, and it was significantly lower compared to the far position, and equivalent to the symmetrically positioned implants. Furthermore, the use of greater length implant reduced the peri-implant bone stress, which was even lower than that of the symmetrically positioned implants. These results suggest that the asymmetrically positioned three-implant-supported fixed denture, using a greater length isolated implant, placed neither too close to nor too far from the resected margin, can be an effective alternative to the symmetrically positioned four-implant-supported fixed denture.

DOI： 10.1563/aaid-joi-D-20-00180

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掲載種別：研究論文（学術雑誌）   出版者・発行元：Informa UK Limited  

DOI： 10.1080/13440241.2021.1896415

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1016/j.ajoms.2020.09.009

Web of Science

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1016/j.jds.2020.08.011

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1016/j.ajoms.2020.10.006

Web of Science

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

Superselective intraarterial infusion chemoradiotherapy is a modality of oral cancer therapy in which the artery feeding the tumor is catheterized. 3D information about the carotid artery is required to enable the surgeon to judge whether to advance, retract, or rotate the catheter. For this purpose, we proposed and conducted a model experiment to assess a new method of catheterization that applies a tracking system using registration with a monocular camera using the maxillary arch as the anatomical landmark. In this method, the preoperative 3D computer tomography angiographic image of the carotid artery that the catheter will be passed through is overlaid on the 2D video image. The mean TRE was 0.96 ± 0.36 mm and 0.88 ± 0.31 mm and 1.12 ± 0.46 mm when images were registered with the anterior and posterior teeth as the landmarks, respectively; the difference was not significant (p = 0.21). This tracking system that enables markerless registration simply by taking images of the maxillary anterior teeth with a single camera was convenient and effective for catheterization. In this study, we propose the new application of this tracking system and a novel method of catheterization for superselective intraarterial infusion chemoradiotherapy for oral cancer. In retrograde superselective intraarterial catheterization, a catheter is inserted into a tumor-feeding artery originating from the external carotid artery (ECA) (the lingual artery [LA], facial artery [FA], or maxillary artery [MA]). Because the maxillary dentition is located near the external carotid artery, we focused on real-time markerless registration using maxillary dentition fixed to the skull.

DOI： 10.1007/s11517-021-02326-w

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

We report a rare case of schwannoma arising from the sublingual glandular branch of the lingual nerve radiologically masquerading as sublingual gland tumor. A 42-year-old female was referred to our department with a painless swelling in the left submandibular region. Contrast-enhanced computed tomography showed a well-circumscribed, heterogeneous low-density tumor with cystic change in the left sublingual region. Magnetic resonance imaging showed a well-circumscribed, heterogeneous sublingual tumor with low-signal intensity on T1-weighted image and high-signal intensity in T2-weighted image. The lesion was diagnosed radiologically as benign sublingual gland tumor. The patient underwent resection of sublingual gland tumor under general anesthesia. There was no definitive continuity between the tumor and the sublingual gland, and the tumor originated from sublingual glandular branch of the lingual nerve. Pathological examination of the specimen showed schwannoma with highly cellular areas (Antoni A) and hypocellular areas (Antoni B). The postoperative course was uneventful without lingual nerve palsy, and there was no recurrence 4 years after surgery.

DOI： 10.1007/s11282-020-00447-w

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1016/j.jds.2020.06.017

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

Actinomycotic osteomyelitis is an aggressive and persistent disease capable of invading and destroying bone, and chronic osteomyelitis with proliferative periostitis represents new bone formation with periosteal reaction. We report a rare case of actinomycotic osteomyelitis with proliferative periostitis arising in the mandibular ramus and spontaneous bone regeneration after coronoidectomy. A 14-year-old girl was referred for swelling in the right parotid-masseteric region and severe trismus. Contrast-enhanced CT revealed that heterogenous enhancement of the right masseter muscle, and a reactive bone formation over the lateral cortex of the right mandibular ramus and osteolysis of the condyle were seen in plain CT. MRI showed that the mandibular ramus was a low-signal intensity and the reactive bone on the ramus was signal intensity similar to muscle on T1-weighted images. The lesion was clinically and radiologically diagnosed as chronic osteomyelitis of the mandibular ramus. However, a biopsy was performed intraorally under general anesthesia to rule out a malignant bone tumor, and pathological examination showed fibrous bone and Actinomyces druses. Finally, the lesion was diagnosed as actinomycotic osteomyelitis with proliferative periostitis. She underwent image-guided intraoral removal of impacted right third molar and reactive proliferative bone on the right mandibular ramus under general anesthesia. To improve trismus, coronoidectomy also was performed. After the discharge, AMPC was administrated intraorally for 7.5 months. Postoperative panoramic radiograph and CT showed the right mandibular angle resorption and coronoid process regeneration. There was no recurrence of mandibular osteomyelitis 7 years after surgery.

DOI： 10.1007/s11282-020-00462-x

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掲載種別：研究論文（学術雑誌）   出版者・発行元：The Japanese Society of Oral Diagnosis/Oral Medicine  

DOI： 10.15214/jsodom.35.29

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記述言語：英語  

Steroid has recently been reported as a treatment for new coronavirus disease (COVID-19). The incidence of oropharyngeal candidiasis due to the inhaled steroid ciclesonide is lower than that due to other inhaled steroids. We report the first case of oral candidiasis with COVID-19 pneumonia using ciclesonide. A 75-year-old man was hospitalized for COVID-19 pneumonia. After admission, an oral combination of lopinavir/ritonavir was administered, and ciclesonide was inhaled for 7 days. On the 14th day of hospitalization, white plaque was found in his oral mucosa. Candida albicans was identified by oral bacterial tests, and amphotericin B was initiated. On the 35th hospital day, negative result for C. albicans was confirmed. Intraoral monitoring and intervention by dental care workers are considered important for the prevention of infectious complications induced by corticosteroids.

DOI： 10.1177/2050313X211048279

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掲載種別：研究論文（学術雑誌）   出版者・発行元：Anticancer Research USA Inc.  

DOI： 10.21873/cgp.20238

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掲載種別：研究論文（学術雑誌）   出版者・発行元：The Japanese Society of Oral Diagnosis/Oral Medicine  

DOI： 10.15214/jsodom.34.20

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掲載種別：研究論文（学術雑誌）   出版者・発行元：The Japanese Society of Oral Diagnosis/Oral Medicine  

DOI： 10.15214/jsodom.35.41

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

BACKGROUND/AIM: Treatment failure in oral cancer is mainly caused by uncontrolled cervical lymph node (LN) metastasis. We previously reported that CD11b+ cells are recruited into tumor hypoxic areas following radiation, leading to re-vascularization and relapse. Since lymphatic vessel formation has similarities with vascular formation, we examined whether surgery induces hypoxia and stimulates lymphangiogenesis. MATERIALS AND METHODS: The recruitment of CD11b+ cells and the formation of lymphatic vessels were examined using orthotopic tongue cancer mouse models with glossectomy. RESULTS: Surgery on OSC-19 tumor induced LN metastases and hypoxia, followed by CD11b+ cell influx. These phenomena were not observed in the no tumor or SAT tumor models. Stimulation of lymphangiogenesis was observed in the CD11b+ cell influx area, as the tumor grew. The localization of CD11b+ cells was changed from the lymph nodules to the medullary sinuses. CONCLUSION: Surgery-induced hypoxia in oral tumors leads to CD11b+ cell infiltration, lymphangiogenesis, and LN metastasis.

DOI： 10.21873/anticanres.14706

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

BACKGROUND: We compared outcomes and toxicities between concurrent retrograde super-selective intra-arterial chemoradiotherapy (IACRT) and concurrent systemic chemoradiotherapy (SCRT) for gingival carcinoma (GC). METHODS: We included 84 consecutive patients who were treated for non-metastatic GC ≥ stage III, from 2006 to 2018, in this retrospective analysis (IACRT group: n = 66; SCRT group: n = 18). RESULTS: The median follow-up time was 24 (range: 1-124) months. The median prescribed dose was 60 (6-70.2) Gy (IACRT: 60 Gy; SCRT: 69 Gy). There were significant differences between the two groups in terms of 3-year overall survival (OS; IACRT: 78.8, 95% confidence interval [CI]: 66.0-87.6; SCRT: 50.4, 95% CI: 27.6-73.0; P = 0.039), progression-free survival (PFS; IACRT: 75.6, 95% CI: 62.7-85.2; SCRT: 42.0, 95% CI: 17.7-70.9; P = 0.028) and local control rates (LC; IACRT: 77.2, 95% CI: 64.2-86.4; SCRT: 42.0, 95% CI: 17.7-70.9; P = 0.015). In univariate analysis, age ≥ 65 years, decreased performance status (PS) and SCRT were significantly associated with worse outcomes (P < 0.05). In multivariate analysis, age ≥ 65 years, clinical stage IV, and SCRT were significantly correlated with a poor OS rate (P < 0.05). Patients with poorer PS had a significantly worse PFS rate. Regarding acute toxicity, 22 IACRT patients had grade 4 lymphopenia, and osteoradionecrosis was the most common late toxicity in both groups. CONCLUSIONS: This is the first report to compare outcomes from IACRT and SCRT among patients with GC. ALL therapy related toxicities were manageable. IACRT is an effective and safe treatment for GC.

DOI： 10.1186/s12885-020-07638-y

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

OBJECTIVES: The purpose of this pilot study was to evaluate the usefulness of magnetic resonance lymphography (MRL) with superparamagnetic iron oxide (SPIO) in sentinel lymph node (SLN) mapping of clinically N0 early oral cancer, and to conduct a comparative study of this MRL with CT lymphography (CTL). METHODS: CTL and MRL were performed for SLN mapping before surgery for 20 patients with clinically N0 early oral cancer. The detection rate, number, and location of SLNs in CTL and MRL were evaluated. Furthermore, optimal scanning/imaging timing in MRL was examined. RESULTS: SLNs were detected by CTL in 18 (90%) patients, and the total and mean number of SLN were 35 and 1.8, respectively. All SLNs could be detected 2 min and 3.5-5 min after contrast medium injection. In all patients, SLNs were detected by MRL at 10 min after SPIO injection, and the total and mean number of SLN was 53 and 2.7, respectively. MRL at 30 min after the injection showed additional 18 secondary lymph nodes. CONCLUSION: MRL with SPIO is safe and useful imaging for the detection of SLNs in clinically N0 early oral cancer, and the optimal imaging timing is 10 min after SPIO injection.

DOI： 10.1259/dmfr.20200333

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記述言語：英語  

Foreign body-induced sialolith is very rare. We report minimally invasive sialendoscopic removal of gold filament thread-induced sialolith in the duct of the parotid gland. A 51-year-old woman with recurrent swelling of the left parotid gland was referred to our hospital. She had undergone insertion of 0.1-mm-diameter gold filament threads into the subdermal skin for facial rejuvenation previously. Computed tomography showed many gold filament threads in the subdermal skin and a sialolith (9.5×4.1×7.9mm) including a gold filament thread in the left parotid duct. The patient underwent endoscopic removal of the sialolith using a 1.6-mm-diameter sialendoscope and Holmium laser under general anesthesia. The sialolith was completely removed with basket and forceps after laser fragmentation, and the broken fragments contained gold filament thread. There was no recurrence of parotid gland swelling after the removal.

DOI： 10.1016/j.jormas.2020.03.002

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掲載種別：研究論文（学術雑誌）  

DOI： 10.1016/j.ajoms.2020.07.012

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掲載種別：研究論文（学術雑誌）   出版者・発行元：MDPI AG  

Superselective intra-arterial chemotherapy (SSIAC) for oral cancer can deliver a higher concentration of anticancer agent into a tumor-feeding artery than intravenous systemic chemotherapy. However, the agent distribution between the lingual artery and facial artery (FA) is not clear in SSIAC for patients with the linguofacial trunk. The agent distribution in the SSIAC method was investigated using computational fluid dynamics (CFD). Ten three-dimensional vessel models were created from CT images of two patients with oral cancer (patients A and B) with the linguofacial trunk. Catheter models were combined with vessel models to mimic intra-arterial infusion, and the agent flow was analyzed. In patient A models, the agent distribution varied depending on the catheter tip position in the linguofacial trunk, while all anticancer agents flowed into the FA only in patient B models. This study revealed that the behavior of the agent in the common trunk is determined by the blood flow field which depends on the topography of the vessels in each patient. Therefore, the catheter tip position should be changed according to the vessel topography to deliver anticancer agents into the tumor-feeding artery. Moreover, CFD can be a useful method to predict the agent flow for each patient before SSIAC.

DOI： 10.3390/app10217496

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

PURPOSE: The straight locking miniplate (SLM) technique is a straightforward method to accurately reposition the maxilla during bimaxillary orthognathic surgery. The present study evaluated the accuracy of the SLM technique in maintaining the condylar position during surgery without the use of a cutting guide. PATIENTS AND METHODS: The present prospective, single-center study was conducted at Yokohama City University between 2016 and 2017 and included patients with skeletal Class III malocclusion. The patients were divided into 2 groups according to the fixation method used for the mandibular segments. The mandibular segments were fixed with miniplates either manually (manual group) or using the SLM technique (SLM group). Computed tomography was performed before and 3 days after surgery to compare the condylar position. The bodily and rotational movements of the condyle were analyzed. RESULTS: The subjects were 18 Japanese patients (36 condyles) who had undergone bilateral set back surgery with Le Fort I osteotomy. The amount of bodily movements in the manual and SLM groups were 1.44 and 0.62 mm, respectively. The degree of rotational movement in the sagittal plane in the manual and SLM groups was 3.33° and 0.23°, respectively. The bodily and rotational movements in the SLM group were significantly smaller than those in the manual group (P < .05 and P < .01, respectively). CONCLUSIONS: These results suggest that use of the SLM technique reduces the risk of condylar positional changes to less than 1 mm during orthognathic surgery without the use of any complex devices or a cutting guide.

DOI： 10.1016/j.joms.2020.04.018

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

Ameloblastic carcinoma (AC) is a very rare malignant odontogenic tumor. Although surgical resection is generally performed, treatment approaches have not been established for recurrent cases. Chemotherapy and radiotherapy are positioned as adjunctive therapies, and few studies investigated definitive non-operative therapy. We present the case of a 71-year-old male with recurrent secondary-type AC arising from the right maxilla, who was treated with proton beam therapy (PBT; 71.4 Gy relative biological effectiveness in 32 fractions) combined with continuous intra-arterial infusion of cisplatin (40 mg/m2) and docetaxel (8 mg/m2). The patient experienced acute grade 3 mucositis, dermatitis and neutropenia, which were resolved within 3 months of treatment. Late adverse events were grade 1 skin atrophy, and grade 2 right optic nerve disorder and retinopathy. After ~8 years of treatment, the patient died from another cause but did not experience any relapse or metastasis during the follow-up period of 94 months. To the best of our knowledge, this is the first report of recurrent AC treated with PBT and intra-arterial infusion chemotherapy without any severe late adverse events. This combination therapy approach may be considered as an effective therapeutic option for inoperable AC.

DOI： 10.3892/mco.2020.2104

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1177/0145561320961273

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掲載種別：研究論文（学術雑誌）   出版者・発行元：Elsevier BV  

DOI： 10.1016/j.ajoms.2020.08.008

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記述言語：英語  

DOI： 10.1016/j.bjps.2020.05.092

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

Our objective was to evaluate the seven-year results of photofunctionalized implants placed in regular, complex, and cancer-related cases. This study was a prospective, single-center study. Photofunctionalization was performed immediately prior to implantation with Ultraviolet (UV) light for 15 minutes. The success rate of each patient group and the influential factors on implant failure were analyzed. Seventy implants in 16 patients were included. Four implants were left submerged (sleep). The seven-year success rate of 30 implants in regular cases and 21 implants in complex cases was 100%. The success rate of 15 implants in cancer-related cases was 22.2%, in which implants were placed in resection or reconstructed sites with or without pre- or postoperative radiation history. Implant stability quotient (ISQ) values increased at second-stage surgery by 3.2 in regular cases and by 21.9 in complex cases, while it decreased by -3.5 in cancer cases. Multivariate analysis indicated that bone quality, location, and cancer resection significantly influenced implant failure. A very reliable seven-year success rate was obtained by UV-photofunctionalized implants in regular and complex cases, even with significant site-development procedures. However, the success rate in cancer cases was significantly and remarkably lower, suggesting remaining challenges of pathophysiologically compromised conditions, such as bone resection, segmental defect, and radiation.

DOI： 10.3390/jcm9092733

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1177/0145561320940060

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1177/0145561320940058

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1177/0145561320938908

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記述言語：英語   掲載種別：研究論文（学術雑誌）   出版者・発行元：Novin Medical Radiation Institute  

DOI： 10.18869/acadpub.ijrr.18.3.531

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

PURPOSE: This study sought to determine the effectiveness of subspinal Le Fort I osteotomy (SLFIO) in preventing nasal deformation, by analyzing changes in the nasal profile on three-dimensional computed tomography (3D-CT) images. PATIENTS AND METHODS: The participants were 39 Japanese patients with mandibular prognathism (6 men and 33 women) who underwent bilateral sagittal split ramus osteotomy and Le Fort I osteotomy with maxillary advancement: SLFIO was performed in 20 patients and conventional Le Fort I osteotomy (CLFIO) in 19 patients. All patients underwent modified alar base cinch suture, V-Y closure, and reduction of the piriform aperture. CT data acquired before and 1 year after the surgery were evaluated three-dimensionally with software to determine changes in the nasal profile. RESULTS: Changes in alar width, alar base width, nasal length, and nasofrontal angle were significantly smaller following SLFIO than following CLFIO, although there were no significant differences in nasal projection, nasal tip angle, or nasolabial angle between two procedures. CONCLUSION: SLFIO for anterior repositioning of the maxilla can prevent undesirable transverse soft tissue changes of the nose.

DOI： 10.1016/j.bjps.2020.02.014

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1177/0145561320937080

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

OBJECTIVE: The purpose of this study was to reevaluate preoperative computed tomography lymphography (CTL) and enhanced CT images during follow-up to clarify whether SLNs enhanced by CTL were identified accurately before primary surgery with sentinel lymph node biopsy (SLNB) for clinically N0 early oral cancer. METHODS: Thirty two early oral cancer patients without cervical lymph node metastasis were enrolled in this study. To clarify whether SLNs enhanced by CTL were identified accurately before primary surgery with SLNB, we reevaluated preoperative CTL and enhanced CT images during follow-up in all patients. RESULTS: SLNs were detected by CTL in 31 of 32 patients (96.9%). During follow-up after primary surgery with SLNB, 4 of 27 patients without SLN metastasis had occult neck metastasis. Of the 4 patients, only 1 patient with cancer of floor of the mouth had overlooking of SLN, and the overlooking rate of SLN was 3.1%. The overlooked small SLN (2.9 × 3.3 × 3.1 mm) was located at contralateral level IB. The CT numbers before, 2, 5, 10 min after iopamidol injection, were 33 HU, 37 HU, 62 HU, 52 HU, respectively. The CT numbers of overlooked SLN 5 and 10 min after the injection was higher than CT images scanned before the iopamidol injection. CONCLUSIONS: The enhancement of SLNs in CTL images after iopamidol injection should be compared sufficiently with CT images before iopamidol injection to avoid overlooking of SLNs in N0 early oral cancer.

DOI： 10.1007/s11282-020-00442-1

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記述言語：日本語   出版者・発行元：(NPO)日本顎変形症学会  

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記述言語：日本語   出版者・発行元：(NPO)日本顎変形症学会  

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記述言語：日本語   出版者・発行元：(NPO)日本顎変形症学会  

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

Compromised osteoblast attachment on hydroxyapatite could be involved in the development of bone healing failure. We developed a bone-compatible scaffold that mimics bone structure with sub-micron hydroxyapatite (HA) surfaces, so that we could evaluate the effects of nitrogen-containing bisphosphonate (N-BP) on osteoblast behavior and bone healing. Human osteoblasts were seeded onto the bone-compatible scaffold with or without N-BP, and cell attachment and spreading behavior were evaluated 4 and 24 h after seeding. Then, mineralization was evaluated at 7 and 14 days. The osteoconductive activity of the scaffold was evaluated by implantation for 3 and 6 weeks into a rat cranial bone defect. The numbers of osteoblasts and their diameters were significantly less in N-BP-binding scaffolds than in untreated scaffolds at 4 and 24 h. Mineralization were also significantly less in the N-BP-binding scaffolds than in controls at 7 and 14 days. In vivo study revealed bone formation in N-BP-binding scaffolds was significantly less than in untreated scaffolds at 3 and 6 weeks. These results suggest that N-BP-binding to HA inhibited osteoblast attachment and spreading, thereby compromising bone healing process in the injured bone defect site.

DOI： 10.1016/j.jmbbm.2020.103635

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1016/j.jcms.2020.01.007

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

Ultraviolet treatment of titanium implants makes their surfaces hydrophilic and enhances osseointegration. However, the mechanism is not fully understood. This study hypothesizes that the recruitment of fibrinogen, a critical molecule for blood clot formation and wound healing, is influenced by the degrees of hydrophilicity/hydrophobicity of the implant surfaces. Computational fluid dynamics (CFD) implant models were created for fluid flow simulation. The hydrophilicity level was expressed by the contact angle between the implant surface and blood plasma, ranging from 5° (superhydrophilic), 30° (hydrophilic) to 50° and 70° (hydrophobic), and 100° (hydrorepellent). The mass of fibrinogen flowing into the implant interfacial zone (fibrinogen infiltration) increased in a time dependent manner, with a steeper slope for surfaces with greater hydrophilicity. The mass of blood plasma absorbed into the interfacial zone (blood plasma infiltration) was also promoted by the hydrophilic surfaces but it was rapid and non-time-dependent. There was no linear correlation between the fibrinogen infiltration rate and the blood plasma infiltration rate. These results suggest that hydrophilic implant surfaces promote both fibrinogen and blood plasma infiltration to their interface. However, the infiltration of the two components were not proportional, implying a selectively enhanced recruitment of fibrinogen by hydrophilic implant surfaces.

DOI： 10.3390/ijms21020660

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

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記述言語：日本語   出版者・発行元：(一社)日本摂食嚥下リハビリテーション学会  

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記述言語：日本語   出版者・発行元：(公社)日本矯正歯科学会  

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1016/j.jdsr.2019.09.001

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1111/cas.14247

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1186/s40644-019-0258-9

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1016/j.ajoms.2019.06.007

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.3390/cancers11101413

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記述言語：日本語   出版者・発行元：(一社)日本ハイパーサーミア学会  

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

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記述言語：日本語   出版者・発行元：(NPO)日本口腔科学会  

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

BACKGROUND: The aim of this study was to evaluate the prognostic factors and treatment outcomes of advanced maxillary gingival squamous cell carcinoma (SCC) treated with intra-arterial infusion chemotherapy concurrent with radiotherapy. METHODS: A total of 46 patients were reviewed retrospectively in this study. The treatment schedule comprised intra-arterial chemotherapy (total, 60 mg/m2 docetaxel and 150 mg/m2 cisplatin) and three-dimensional computed tomography based, daily conventional radiotherapy (total, 60 Gy/30 fr) for 6 weeks. RESULTS: The median follow-up period was 40 months (range, 3-110 months). The 3-year overall survival and locoregional control rates for all patients were 64.3% and 84.3%, respectively. The OS rate of the patients with N0-1 was significantly higher than that of the patients with N ≥ 2 (P < .05). No grade 5 toxicities were observed. CONCLUSIONS: Intra-arterial infusion chemotherapy concurrent with radiotherapy was effective for advanced maxillary gingival SCC.

DOI： 10.1002/hed.25607

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記述言語：日本語   出版者・発行元：(一社)日本ハイパーサーミア学会  

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記述言語：日本語   出版者・発行元：(一社)日本頭頸部癌学会  

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記述言語：日本語   出版者・発行元：(一社)日本頭頸部癌学会  

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記述言語：日本語   出版者・発行元：(一社)日本頭頸部癌学会  

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

AIM: We aimed to retrospectively investigate the outcomes and pathological effects of retrograde superselective intra-arterial chemoradiotherapy (IACRT) combined with hyperthermia on metastatic lymph nodes of patients with oral squamous cell carcinoma. PATIENTS AND METHODS: Patients with lymph node metastasis from oral cancer were treated with IACRT using cisplatin plus docetaxel combined with hyperthermia prior to surgical removal 8 weeks after completion of IACRT and hyperthermia. The locoregional control and overall survival rates were calculated using the Kaplan-Meier method. RESULTS: A total of 35 patients received the combination therapy of whom 26 received it as definitive treatment and in the rest, it was administered as preoperative treatment. The 5-year locoregional control and overall survivaI rates were 95.6% and 80.2% in the definitive-treatment group, and 100% and 66.6% in the preoperative-treatment group, respectively. CONCLUSION: The combination therapy provided good outcomes in patients with lymph node metastases from advanced oral cancer.

DOI： 10.21873/anticanres.13250

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

We herein report a case of squamous cell carcinoma of the buccal mucosa with N3 cervical lymph node metastasis in a 63-year-old man. The patient was treated with combination therapy comprising radiotherapy (2 Gy/day, total of 70 Gy), superselective intra-arterial chemotherapy via a superficial temporal artery (docetaxel, total of 70 mg/m2 and cisplatin, total of 175 mg/m2), cetuximab (initial dose of 400 mg/m2 with subsequent weekly doses of 250 mg/m2 intravenously), and four sessions of hyperthermia for cervical lymph node metastases. The patient responded well to the therapy, with a complete response of the primary tumor. Radical neck dissection was performed with reconstructive surgery, including resection of the overlying skin. A pathologic complete response was achieved for the N3 and all other cervical lymph node metastases. The patient showed no evidence of recurrence in the 3 years following treatment. Based on the findings in the present case, the use of retrograde superselective intra-arterial chemoradiotherapy combined with hyperthermia and cetuximab seems to be a promising modality for patients with N3 cervical lymph node metastasis of oral cancer.

DOI： 10.1007/s11282-018-0319-y

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掲載種別：研究論文（学術雑誌）   出版者・発行元：Japan Society for Oral Tumors  

DOI： 10.5843/jsot.31.97

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.21873/anticanres.12985

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記述言語：英語   出版者・発行元：(一社)日本癌治療学会  

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DOI： 10.1186/s13256-018-1829-2

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DOI： 10.3390/cancers10090333

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1007/s11282-018-0341-0

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

Background and objectives: The aim of present study was to compare the treatment results of daily cisplatin (CDDP), weekly docetaxel (DOC) intra-arterial infusion chemotherapy combined with radiotherapy (DIACRT) regimen and weekly CDDP intra-arterial infusion chemotherapy combined with radiotherapy (WIACRT) for patients with tongue cancer. Materials and Methods: Between January 2007 and December 2016, a total of 11 patients treated with WIACRT and 45 patients treated with DIACRT were enrolled in the present study. In the DIACRT group, 25 patients had late T2, and 20 patients had T3. A total of nine patients had late T2 and two had T3 in WIACRT (p = NS). In DIACRT, the treatment schedule consisted of intra-arterial chemotherapy (DOC, total 60 mg/m²; CDDP, total 150 mg/m²) and daily concurrent radiotherapy (RT) (total, 60 Gy). In WIACRT, the treatment schedule consisted of intra-arterial chemotherapy (CDDP, total 360 mg/m²) and daily concurrent RT (total, 60 Gy). Results: The median follow-up periods for DIACRT and WIACRT were 61 and 66 months, respectively. The five-year local control (LC) and overall survival (OS) rate were 94.5% and 89.6% for the DIACRT group, and 60.6% and 63.6% for the WIACRT group, respectively. The LC rate and OS of the DIACRT group were significantly higher than those of the WIACRT group. As regards toxicities, no treatment-related deaths were observed during the follow-up periods in both groups. Conclusions: DIACRT was found to be feasible and effective for patients with tongue cancer and could become a new treatment modality.

DOI： 10.3390/medicina54040052

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記述言語：英語   掲載種別：研究論文（学術雑誌）   出版者・発行元：Elsevier GmbH  

Introduction: Although chemoradiotherapy (CRT) for oral squamous cell carcinoma (SCC) has been shown to preserve organ function and improve cosmetic results, site-specific data, especially mandible, are limited. The aim of this study was to evaluate the predictability of 18F-fluorodeoxyglucose positron emission tomography/computed tomography (FDG-PET/CT) on response to super-selective intra-arterial CRT for advanced SCC of the mandible. Methods: Fifteen patients with advanced SCC of the mandible underwent super-selective intra-arterial CRT followed by radical resection. Maximum standardized uptake value (SUVmax) of the mandibular lesion was evaluated with FDG-PET/CT before and after CRT. The SUVmax before and after CRT was defined as pre-SUVmax and post-SUVmax, respectively. The difference between pre- and post-SUVmax was calculated as SUVmax reduction rate to evaluate treatment response of the mandibular lesion. Each SUVmax reduction rate and surgical specimen of the corresponding lesion was analyzed to evaluate an accuracy of the modality for predicting pathological response. Results: The median of pre-SUVmax was significantly lower than that of post-SUVmax (p = 0.001). Of the 15 patients, 6 had a pathological complete response (pCR) and 9 had a non-pCR. Neither pCR patients nor non-pCR patients showed significant difference of the median of SUVmax between pre- and post-CRT (pre-CRT p = 0.099 post-CRT p =0.074). The SUVmax reduction rate in patients with pCR was significantly higher than that with non-pCR (p = 0.002). Receiver operating characteristic analysis revealed that the optimal cut-off point of the reduction rate was 64.7%, with 83% sensitivity and 100% specificity. Conclusions: These results concluded that SUVmax reduction rate can predict pathological complete response of preoperative super-selective intra-arterial CRT for advanced SCC of the mandible.

DOI： 10.1016/j.jbo.2018.02.001

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

Introduction: Although chemoradiotherapy (CRT) for oral squamous cell carcinoma (SCC) has been shown to preserve organ function and improve cosmetic results, site-specific data, especially mandible, are limited. The aim of this study was to evaluate the predictability of 18F-fluorodeoxyglucose positron emission tomography/computed tomography (FDG-PET/CT) on response to super-selective intra-arterial CRT for advanced SCC of the mandible. Methods: Fifteen patients with advanced SCC of the mandible underwent super-selective intra-arterial CRT followed by radical resection. Maximum standardized uptake value (SUVmax) of the mandibular lesion was evaluated with FDG-PET/CT before and after CRT. The SUVmax before and after CRT was defined as pre-SUVmax and post-SUVmax, respectively. The difference between pre- and post-SUVmax was calculated as SUVmax reduction rate to evaluate treatment response of the mandibular lesion. Each SUVmax reduction rate and surgical specimen of the corresponding lesion was analyzed to evaluate an accuracy of the modality for predicting pathological response. Results: The median of pre-SUVmax was significantly lower than that of post-SUVmax (p = 0.001). Of the 15 patients, 6 had a pathological complete response (pCR) and 9 had a non-pCR. Neither pCR patients nor non-pCR patients showed significant difference of the median of SUVmax between pre- and post-CRT (pre-CRT p = 0.099 post-CRT p =0.074). The SUVmax reduction rate in patients with pCR was significantly higher than that with non-pCR (p = 0.002). Receiver operating characteristic analysis revealed that the optimal cut-off point of the reduction rate was 64.7%, with 83% sensitivity and 100% specificity. Conclusions: These results concluded that SUVmax reduction rate can predict pathological complete response of preoperative super-selective intra-arterial CRT for advanced SCC of the mandible.

DOI： 10.1016/j.jbo.2018.02.001

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記述言語：日本語   出版者・発行元：(一社)日本頭頸部癌学会  

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記述言語：日本語   出版者・発行元：(一社)日本頭頸部癌学会  

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記述言語：日本語   出版者・発行元：(一社)日本頭頸部癌学会  

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

OBJECTIVES: To evaluate the therapeutic results and rate of organ preservation in patients with squamous cell carcinoma of the tongue treated with retrograde superselective intra-arterial chemoradiotherapy. MATERIALS AND METHODS: Between June 2006 and June 2015, 118 patients with tongue cancer were treated with intra-arterial chemoradiotherapy. Treatment consisted of radiotherapy (total 50-70 Gy) and daily concurrent intra-arterial chemotherapy (docetaxel, total 50-70 mg/m2; cisplatin, total 125-175 mg/m2) for 5-7 weeks. Locoregional control and overall survival rates were calculated by the Kaplan-Meier method. Cox's proportional hazards model was used for both univariate and multivariate analyses. RESULTS: The median follow-up for all patients was 38.5 months (range, 3-129 months). After intra-arterial chemoradiotherapy, primary site complete response was achieved in 113 (95.8%) of 118 cases. Three-year locoregional control and overall survival rates were 80.3% and 81.5%, respectively. Grade 3 or 4 toxicities included neutropenia in 16.1% and mucositis in 87.3%. Grade 3 toxicities included anemia in 12.7%, thrombocytopenia in 3.4%, nausea/vomiting in 3.4%, dermatitis in 45.7%, dysphagia in 74.6%, and fever in 2.5% of patients. Late toxicity consisting of grade 3 osteoradionecrosis of the jaw occurred in 4.2% of patients. On univariate analysis, T stage and overall stage were significantly associated with locoregional control, and N stage and overall stage were significantly associated with overall survival. On multivariate analysis, the only significant predictor of overall survival was overall stage classification. CONCLUSION: Retrograde superselective intra-arterial chemoradiotherapy for tongue cancer provided good overall survival and locoregional control.

DOI： 10.1016/j.oraloncology.2018.02.002

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

Obstructive sialadenitis of the submandibular gland is commonly caused by sialoliths, but more rarely by foreign body-induced sialoliths. Here, we report minimally invasive sialendoscopic removal of fish bone-induced sialoliths in the duct of the submandibular gland. A 43-year-old woman presented with recurrent swelling of the right submandibular gland at other hospital. Computed tomography (CT) showed an 8-mm linear calcification in the posterior part of Wharton's duct. The lesion was deemed difficult to remove and she was followed up. However, because the lesion did not resolve spontaneously within 9 months and chronic sialadenitis symptoms persisted, she was referred to our department for endoscopic removal. CT showed a linear calcification (5.6×1.2×0.8mm) connecting 2 spherical calcifications (2.3×2.1×1.9mm; 1.8×1.4×1.1mm) in the anterior part of Wharton's duct. The patient underwent endoscopic removal of the lesion using a 1.6-mm-diameter sialendoscope under local anesthesia. The specimen contained a fish bone connecting 2 sialoliths. The patient was unaware of the fish-bone injury. After removal, there was no recurrence of submandibular gland swelling during 6 months follow-up.

DOI： 10.1016/j.anl.2017.03.010

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記述言語：日本語   掲載種別：研究論文（学術雑誌）  

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記述言語：日本語   掲載種別：研究論文（学術雑誌）  

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記述言語：英語   掲載種別：研究論文（学術雑誌）   出版者・発行元：Society of Hard Tissue Regenerative Biology  

DOI： 10.2485/jhtb.27.11

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記述言語：英語  

Intraoral removal of a submandibular gland stone is less invasive than submandibulectomy, with no life-threatening airway complications reported until now. We report a case involving airway obstruction caused by pharyngolaryngeal swelling after intraoral removal of a submandibular gland stone. A 31-year-old man with a left submandibular gland stone underwent intraoral removal of the stone under general anesthesia and was discharged 1 day after surgery. That night, he was transported back to our hospital by ambulance for dyspnea. Because computed tomography showed pharyngolaryngeal swelling, he was intubated and managed by a ventilator. Four days later, the pharyngolaryngeal swelling had mostly resolved and he was extubated and discharged. Surgeons should be vigilant of the potential risk of airway complications following an intraoral approach for submandibular gland stone removal.

DOI： 10.2147/TCRM.S180797

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記述言語：英語   掲載種別：研究論文（学術雑誌）   出版者・発行元：Impact Journals LLC  

DOI： 10.18632/oncotarget.24570

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1016/j.ajoms.2018.05.002

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.2174/1874210601812010455

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記述言語：日本語   出版者・発行元：(一社)日本癌治療学会  

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1111/ajco.12502

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記述言語：英語   掲載種別：研究論文（学術雑誌）   出版者・発行元：Springer Tokyo  

DOI： 10.1007/s11282-016-0255-7

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記述言語：日本語   出版者・発行元：(一社)日本ハイパーサーミア学会  

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記述言語：日本語   出版者・発行元：(NPO)日本口腔科学会  

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1186/s13014-017-0847-3

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1016/j.oooo.2017.02.004

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記述言語：英語   掲載種別：研究論文（学術雑誌）   出版者・発行元：Churchill Livingstone  

DOI： 10.1016/j.ijom.2017.01.011

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記述言語：英語   掲載種別：研究論文（学術雑誌）   出版者・発行元：Elsevier Ltd  

DOI： 10.1016/j.ajoms.2016.12.004

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1186/s12938-017-0348-5

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記述言語：日本語   出版者・発行元：(一社)日本頭頸部癌学会  

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記述言語：日本語   出版者・発行元：(一社)日本頭頸部癌学会  

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記述言語：日本語   出版者・発行元：(一社)日本頭頸部癌学会  

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記述言語：日本語   出版者・発行元：(一社)日本頭頸部癌学会  

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記述言語：日本語   出版者・発行元：(一社)日本口腔ケア学会  

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

Squamous cell carcinoma (SCC) of the tongue is the most common oral cancer. Most cases occur on the lateral border of the tongue and only very rarely on the dorsum. We retrospectively investigated the incidence of SCC of the tongue dorsum in our department between April 2006 and March 2015. Of the 368 patients with tongue cancer, only 3 had SCC of the tongue dorsum (incidence, 0.8 %). All patients with advanced cancer of the tongue dorsum underwent superselective intra-arterial chemoradiotherapy for organ preservation. We discuss the present findings in relation to past case reports and series in the English language literature as well as discuss treatments for SCC of the tongue dorsum.

DOI： 10.1007/s12070-016-0979-z

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記述言語：英語   出版者・発行元：(一社)日本癌学会  

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記述言語：日本語   出版者・発行元：(一社)日本癌治療学会  

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記述言語：日本語   出版者・発行元：(一社)日本ハイパーサーミア学会  

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1002/hed.24421

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1038/srep27548

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記述言語：日本語   出版者・発行元：(一社)日本頭頸部癌学会  

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記述言語：日本語   出版者・発行元：(一社)日本頭頸部癌学会  

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記述言語：日本語   出版者・発行元：(一社)日本頭頸部癌学会  

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1038/srep24629

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

PURPOSE: Proton beam therapy (PBT), compared with conventional radiotherapy, can deliver high-dose radiation to a tumor, while minimizing doses delivered to surrounding normal tissues. The better dose distribution of PBT may contribute to the improvement in local control rate and reduction in late adverse events. We evaluated therapeutic results and toxicities of PBT combined with selective intra-arterial infusion chemotherapy (PBT-IACT) in patients with stage III-IVB squamous cell carcinoma of the tongue. MATERIALS AND METHODS: After 2 systemic chemotherapy courses and whole-neck irradiation (36 Gy in 20 fractions), we administered concurrent chemoradiotherapy comprising PBT for the primary tumor [28.6-33 Gy(RBE) in 13-15 fractions] and for the metastatic neck lymph node [33-39.6 Gy(RBE) in 15-18 fractions] with weekly retrograde intra-arterial chemotherapy by continuous infusion of cisplatin with sodium thiosulfate. RESULTS: Between February 2009 and September 2012, 33 patients were enrolled. The median follow-up duration was 43 months. The 3-year overall survival, progression-free survival, local control rate, and regional control rate for the neck were 87.0, 74.1, 86.6, and 83.9 %, respectively. Major acute toxicities >grade 3 included mucositis in 26 cases (79 %), neutropenia in 17 cases (51 %), and dermatitis in 11 cases (33 %). Late grade 2 osteoradionecrosis was observed in 1 case (3 %). CONCLUSIONS: PBT-IACT for stage III-IVB tongue cancer has an acceptable toxicity profile and showed good treatment results. This protocol should be considered as a treatment option for locally advanced tongue cancer.

DOI： 10.1007/s00432-015-2069-0

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1016/j.oooo.2015.10.018

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1186/s12938-016-0133-x

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記述言語：英語   掲載種別：論文集(書籍)内論文   出版者・発行元：Springer Singapore  

DOI： 10.1007/978-981-10-0719-4_16

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記述言語：日本語   出版者・発行元：(一社)日本摂食嚥下リハビリテーション学会  

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記述言語：日本語   出版者・発行元：(一社)日本摂食嚥下リハビリテーション学会  

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記述言語：日本語   出版者・発行元：(NPO)日本口腔科学会  

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

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記述言語：日本語   出版者・発行元：(一社)日本頭頸部癌学会  

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記述言語：日本語   出版者・発行元：(一社)日本頭頸部癌学会  

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記述言語：日本語   出版者・発行元：(NPO)日本口腔科学会  

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記述言語：英語   掲載種別：論文集(書籍)内論文   出版者・発行元：Springer Japan  

DOI： 10.1007/978-4-431-54938-3_13

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記述言語：英語   掲載種別：研究論文（学術雑誌）   出版者・発行元：Bentham Science Publishers B.V.  

DOI： 10.2174/1874210601509010120

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記述言語：日本語   出版者・発行元：(一社)日本摂食嚥下リハビリテーション学会  

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

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記述言語：日本語   出版者・発行元：(NPO)日本口腔科学会  

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記述言語：日本語   出版者・発行元：(NPO)日本口腔科学会  

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記述言語：日本語   出版者・発行元：(NPO)日本口腔科学会  

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記述言語：日本語   出版者・発行元：(NPO)日本口腔科学会  

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記述言語：日本語   掲載種別：研究論文（学術雑誌）   出版者・発行元：Japanese Journal of Cancer and Chemotherapy Publishers Inc.  

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記述言語：日本語   出版者・発行元：(一社)日本癌治療学会  

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

We describe secure surgical method for catheter placement using ultrasonic scalpel via the occipital artery to achieve retrograde superselective intra-arterial chemotherapy for advanced oral cancer, as alternative to approach via the superficial temporal artery.

DOI： 10.1007/s12070-012-0501-1

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記述言語：日本語   出版者・発行元：(一社)日本頭頸部癌学会  

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記述言語：日本語   出版者・発行元：(一社)日本頭頸部癌学会  

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記述言語：日本語   出版者・発行元：(一社)日本頭頸部癌学会  

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記述言語：日本語   出版者・発行元：(一社)日本頭頸部癌学会  

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記述言語：日本語   出版者・発行元：(一社)日本頭頸部癌学会  

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記述言語：日本語   出版者・発行元：(一社)日本頭頸部癌学会  

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1016/j.radonc.2014.03.005

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1007/s12576-014-0309-8

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記述言語：日本語   出版者・発行元：(一社)日本ハイパーサーミア学会  

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記述言語：日本語   出版者・発行元：(NPO)日本口腔科学会  

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1007/s00066-013-0468-1

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記述言語：日本語   出版者・発行元：(NPO)日本口腔科学会  

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記述言語：日本語   出版者・発行元：(NPO)日本口腔科学会  

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DOI： 10.1007/s12070-011-0369-5

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記述言語：日本語   出版者・発行元：(一社)日本摂食嚥下リハビリテーション学会  

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記述言語：英語  

Cervicofacial subcutaneous emphysema is a rare complication of dental procedures. Although most cases of emphysema occur incidentally with the use of a high-speed air turbine handpiece, there have been some reports over the past decade of cases caused by dental laser treatment. Emphysema as a complication caused by the air cooling spray of a dental laser is not well known, even though dental lasers utilize compressed air just as air turbines and syringes do. In this study, we comprehensively reviewed cases of emphysema attributed to dental laser treatment that appeared in the literature between January 2001 and September 2012, and we included three such cases referred to us. Among 13 cases identified in total, nine had cervicofacial subcutaneous and mediastinal emphysema. Compared with past reviews, the incidence of mediastinal emphysema caused by dental laser treatment was higher than emphysema caused by dental procedure without dental laser use. Eight patients underwent CO2 laser treatment and two underwent Er:YAG laser treatment. Nine patients had emphysema following laser irradiation for soft tissue incision. Dentists and oral surgeons should be cognizant of the potential risk for iatrogenic emphysema caused by the air cooling spray during dental laser treatment and ensure proper usage of lasers.

DOI： 10.1111/adj.12119

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記述言語：英語   出版者・発行元：(一社)日本癌学会  

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.4103/0973-1482.126465

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記述言語：英語   出版者・発行元：(一社)日本癌学会  

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1097/SCS.0b013e31829030ed

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1016/j.oooo.2011.10.037

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記述言語：日本語   出版者・発行元：(一社)日本頭頸部癌学会  

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記述言語：日本語   出版者・発行元：(一社)日本頭頸部癌学会  

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記述言語：日本語   出版者・発行元：(一社)日本頭頸部癌学会  

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1097/SCS.0b013e31828f2e72

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記述言語：英語   掲載種別：研究論文（学術雑誌）   出版者・発行元：5  

DOI： 10.1016/j.ijom.2012.11.011

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記述言語：日本語   出版者・発行元：(一社)日本頭頸部癌学会  

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記述言語：日本語   出版者・発行元：(一社)日本頭頸部癌学会  

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1002/hed.21925

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1007/s00276-012-1004-1

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.4172/1948-5956.S18-001

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.5812/iranjradiol.3734

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記述言語：日本語   出版者・発行元：(一社)日本癌治療学会  

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1097/SCS.0b013e318254359f

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記述言語：日本語   出版者・発行元：(一社)歯科基礎医学会  

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1186/1475-925X-11-65

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1097/SCS.0b013e318266f750

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記述言語：英語   出版者・発行元：(一社)日本癌学会  

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1016/j.ijrobp.2012.02.057

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記述言語：日本語   出版者・発行元：(NPO)日本口腔科学会  

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記述言語：日本語   出版者・発行元：(NPO)日本口腔科学会  

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記述言語：日本語   出版者・発行元：(一社)日本ハイパーサーミア学会  

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記述言語：英語   出版者・発行元：日本ハイパーサーミア学会  

DOI： 10.3191/thermalmed.28.23

CiNii Books

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1016/j.bjoms.2011.05.014

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記述言語：日本語   出版者・発行元：(一社)日本頭頸部癌学会  

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記述言語：日本語   出版者・発行元：(一社)日本頭頸部癌学会  

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記述言語：日本語   出版者・発行元：(一社)日本頭頸部癌学会  

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記述言語：日本語   出版者・発行元：(一社)日本頭頸部癌学会  

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記述言語：日本語   出版者・発行元：(一社)日本頭頸部癌学会  

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記述言語：日本語   出版者・発行元：(一社)日本頭頸部癌学会  

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記述言語：日本語   出版者・発行元：(NPO)日本口腔科学会  

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1007/s00276-011-0837-3

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.5812/iranjradiol.7809

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1007/s10147-011-0238-y

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記述言語：日本語   出版者・発行元：(公社)日本口腔外科学会  

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記述言語：日本語   出版者・発行元：(一社)日本癌治療学会  

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

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記述言語：英語   出版者・発行元：(一社)日本癌学会  

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記述言語：日本語   出版者・発行元：(一社)歯科基礎医学会  

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記述言語：日本語   出版者・発行元：(公社)日本口腔外科学会  

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記述言語：日本語   出版者・発行元：(公社)日本口腔外科学会  

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記述言語：日本語   出版者・発行元：(公社)日本口腔外科学会  

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記述言語：日本語   出版者・発行元：(公社)日本口腔外科学会  

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出版者・発行元：7  

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.3892/or.2011.1232

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記述言語：日本語   出版者・発行元：(一社)日本口腔感染症学会  

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記述言語：日本語   出版者・発行元：(一社)日本頭頸部癌学会  

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記述言語：日本語   出版者・発行元：(一社)日本頭頸部癌学会  

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記述言語：日本語   出版者・発行元：(一社)日本頭頸部癌学会  

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記述言語：日本語   出版者・発行元：(一社)日本頭頸部癌学会  

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記述言語：日本語   出版者・発行元：(一社)日本頭頸部癌学会  

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1016/j.ijrobp.2010.01.011

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1007/s00795-010-0521-4

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記述言語：英語   出版者・発行元：(一社)日本癌学会  

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1016/j.ajoms.2009.07.003

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.3892/or_00000769

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記述言語：英語   掲載種別：研究論文（学術雑誌）   出版者・発行元：3  

Progressive loss of salivary gland function occurs in most patients undergoing head and neck radiotherapy. It is unclear whether adult salivary gland tissue contains stem/progenitor cells. In this study, we used a colony assay to clarify the presence of stem/progenitor cells in adult submandibular glands after irradiation. We developed a novel culture system that promotes single-cell colony formation with low density culture of irradiated and non-irradiated adult human submandibular gland cells using serum-free medium following serum-supplemented medium. The cells from all samples, except those obtained from the oldest patient who received the highest radiation dose, expressed acinar, ductal, and myoepithelial cell-lineage markers with reverse transcription-polymerase chain reaction (RT-PCR) and immunostaining. A sub-culture of these colonies with serum-free medium showed high multipotency. These results are the first description of presence of salivary gland stem/progenitor cells with self-renewal, high proliferation and multipotent differentiation activity in salivary glands, even after irradiation. The survival of the cells depends on radiation dose and cell aging.

DOI： 10.3892/ijmm_00000240

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記述言語：英語   掲載種別：研究論文（学術雑誌）   出版者・発行元：5  

DOI： 10.1016/j.bjoms.2008.09.001

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記述言語：英語   掲載種別：研究論文（学術雑誌）   出版者・発行元：3  

DOI： 10.1016/j.joms.2008.08.043

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1111/j.1349-7006.2008.00949.x

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1002/ijc.23456

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1111/j.1349-7006.2007.00419.x

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1016/j.jpain.2006.02.013

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1016/j.ooe.2006.05.001

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1111/j.1600-0714.2005.00364.x

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1016/j.abb.2004.12.012

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.5981/jjhnc.31.413

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1016/j.pep.2003.12.004

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1016/S1046-2023(03)00209-3

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記述言語：英語   出版者・発行元：3-4  

DOI： 10.18999/nagjms.66.3-4.129

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CiNii Books

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その他リンク： http://search.jamas.or.jp/link/ui/2005075124

記述言語：英語   掲載種別：研究論文（学術雑誌）   出版者・発行元：9  

DOI： 10.1111/j.1349-7006.2003.tb01527.x

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1016/S1368-8375(03)00047-2

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1001/archotol.129.7.754

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1021/bi027029v

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1016/S0003-9861(02)00635-5

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記述言語：日本語   出版者・発行元：(一社)日本頭頸部癌学会  

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1159/000059571

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

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記述言語：英語   出版者・発行元：International Society of Histology and Cytology  

An immunohistochemical study was carried out on two types of dendritic immune cells, Langerhans cells and Thy-1-positive cells, in the epithelium of the forestomach of 1-, 2-, 3-, 4- and 8-week-old mice. Investigation focused on how both types of cells were distributed and might interact in the mucosal epithelium. Langerhans cells and Thy-1-positive dendritic cells appeared in mucosal epithelium at 3 weeks of age, while in the epidermis they were first observed just after birth. In contrast with the epidermal Thy-1-positive cells, mucosal Thy-1-positive cells were closely associated with Langerhans cells. Electron microscopy also confirmed that two types of immune cells interact directly in the stratified squamous mucosal epithelium of mice.

DOI： 10.1679/aohc.57.259

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記述言語：日本語   出版者・発行元：日本外科系連合学会  

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記述言語：日本語   出版者・発行元：(一社)日本頭頸部癌学会  

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記述言語：日本語   出版者・発行元：(NPO)日本顎変形症学会  

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記述言語：日本語   出版者・発行元：(NPO)日本顎変形症学会  

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記述言語：日本語   出版者・発行元：(NPO)日本顎変形症学会  

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記述言語：日本語   出版者・発行元：横浜市立大学医学会  

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記述言語：日本語   出版者・発行元：横浜市立大学医学会  

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記述言語：日本語   出版者・発行元：(一社)日本口腔診断学会  

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J-GLOBAL

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記述言語：日本語   出版者・発行元：(NPO)日本口腔科学会  

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記述言語：日本語   出版者・発行元：(一社)日本ハイパーサーミア学会  

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その他リンク： https://search.jamas.or.jp/default/link?pub_year=2022&ichushi_jid=J04995&link_issn=&doc_id=20230210170001&doc_link_id=10.3191%2Fthermalmed.38.71&url=https%3A%2F%2Fdoi.org%2F10.3191%2Fthermalmed.38.71&type=J-STAGE&icon=https%3A%2F%2Fjk04.jamas.or.jp%2Ficon%2F00007_3.gif

記述言語：日本語   出版者・発行元：(公社)日本顎顔面インプラント学会  

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記述言語：日本語   出版者・発行元：(公社)日本口腔外科学会  

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その他リンク： https://search.jamas.or.jp/default/link?pub_year=2022&ichushi_jid=J01073&link_issn=&doc_id=20221028450005&doc_link_id=10.5794%2Fjjoms.68.426&url=https%3A%2F%2Fdoi.org%2F10.5794%2Fjjoms.68.426&type=J-STAGE&icon=https%3A%2F%2Fjk04.jamas.or.jp%2Ficon%2F00007_3.gif

記述言語：英語   出版者・発行元：(一社)日本癌治療学会  

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記述言語：日本語   出版者・発行元：(NPO)日本睡眠歯科学会  

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記述言語：日本語   出版者・発行元：(一社)日本ハイパーサーミア学会  

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記述言語：日本語   出版者・発行元：(一社)日本ハイパーサーミア学会  

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記述言語：日本語   出版者・発行元：(一社)日本ハイパーサーミア学会  

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記述言語：日本語   出版者・発行元：(一社)日本ハイパーサーミア学会  

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