MASARU KONISHI

Last Updated :2025/12/02

Affiliations, Positions
Hiroshima University Hospital, Associate Professor/Lecturer
E-mail
mkonishihiroshima-u.ac.jp

Basic Information

Major Professional Backgrounds

  • 2002, Kyoto University Hospital, Department of Oral and Maxillofacial Surgery, Resident
  • 2005/05/01, Kyoto University Hospital, Clinical Fellow
  • 2009/04/01, 2021/03/31, Hiroshima University, Hospital, Assistant Professor
  • 2021/02/01, Hiroshima University, Hospital, Lecturer

Educational Backgrounds

  • Hiroshima University, Japan, 2002/03
  • Hiroshima University, 2012/09

Academic Degrees

  • Hiroshima University

Educational Activity

  • [Bachelor Degree Program] School of Dentistry : Program of Dentistry : Dentistry
  • [Doctoral Program] Graduate School of Biomedical and Health Sciences : Division of Biomedical Sciences : Program of Dental Sciences

Research Fields

  • Medicine,dentistry, and pharmacy;Dentistry;Social dentistry

Research Keywords

  • Oral cancer
  • Brachytherapy
  • Videofluoroscopic examination of swallowing

Affiliated Academic Societies

  • Japanese society for clinical nutrition and metabolism
  • Japanese Society of Oral Oncology
  • Japanese Society of Oral and Maxillofacial Radiology
  • The Japanese Society of Dysphagia Rehabilitation
  • Japanese Society of Oral and Maxillofacial Surgery
  • Japanese Society for Radiation Oncology

Educational Activity

Course in Charge

  1. 2025, Undergraduate Education, 2Term, Oral Radiology I
  2. 2025, Undergraduate Education, 3Term, Oral Radiology II
  3. 2025, Undergraduate Education, 4Term, Basic Seminar of Oral Radiology
  4. 2025, Undergraduate Education, First Semester, Dental Research Practices I
  5. 2025, Undergraduate Education, Second Semester, Dental Research Practices II
  6. 2025, Undergraduate Education, First Semester, Dental Research Practices III
  7. 2025, Undergraduate Education, Year, Clinical Practice (Dental Radiology)
  8. 2025, Undergraduate Education, 3Term, Oral Radiology
  9. 2025, Undergraduate Education, Second Semester, Clinical Practice on Oral Health
  10. 2025, Undergraduate Education, Intensive, Clinical Practice on Oral Health
  11. 2025, Undergraduate Education, Intensive, Clinical Practice on Oral Health Management
  12. 2025, Graduate Education (Doctoral Program) , First Semester, Advanced Seminar on Oral and Maxillofacial Radiology
  13. 2025, Graduate Education (Doctoral Program) , Second Semester, Advanced Seminar on Oral and Maxillofacial Radiology
  14. 2025, Graduate Education (Doctoral Program) , First Semester, Advanced Research on Oral and Maxillofacial Radiology
  15. 2025, Graduate Education (Doctoral Program) , Second Semester, Advanced Research on Oral and Maxillofacial Radiology

Research Activities

Academic Papers

  1. Radiomics-based classification of medication-related osteonecrosis of the jaw using panoramic radiographs, Oral Radiology, 2025
    Link to Paper Search Results by DOI
  2. Radiomics analysis of intraoral ultrasonographic images for prediction of late cervical lymph node metastasis in patients with tongue cancer: influence of marginal region., Dentomaxillofacial Radiology, 54(5), 389-395, 2025
    Link to Paper Search Results by DOI
  3. Multicatheter-guided rigid registration for high-dose-rate interstitial brachytherapy for mobile tongue cancer, PHYSICA MEDICA-EUROPEAN JOURNAL OF MEDICAL PHYSICS, 133, 202505
    Link to Paper Search Results by DOI
  4. Correlation between Bone Density Classified by Computed Tomography (CT) Value and Trabecular Bone Structure: A Study on Bovine Bone, JOURNAL OF HARD TISSUE BIOLOGY, 34(2), 81-84, 2025
  5. Usefulness of a novel density measurement drill for evaluating cancellous bone density: correlation between CT value and drilling torque value in bovine ribs, INTERNATIONAL JOURNAL OF IMPLANT DENTISTRY, 11(1), 20250131
    Link to Paper Search Results by DOI
  6. Relationship of oral bacterial number with medical hospitalization costs in analysis of Diagnosis Procedure Combination database from single institution in Japan, SCIENTIFIC REPORTS, 14(1), 20240515
    Link to Paper Search Results by DOI
  7. Efficacy of Low-Level Laser Therapy for Oral Mucositis in Hematologic Patients Undergoing Transplantation: A Single-Arm Prospective Study, J Pers Med., 2024
  8. Can oral diadochokinesis be used as an assessment tool of oral function in older adults requiring care in nursing home?, JOURNAL OF ORAL REHABILITATION, 51(2), 328-333, 202402
    Link to Paper Search Results by DOI
  9. Videofluoroscopic analysis of the laryngeal movement of older adults in swallowing, ODONTOLOGY, 112(2), 624-629, 202404
    Link to Paper Search Results by DOI
  10. Retrospective analysis of tooth extraction and osteoradionecrosis after low-dose rate brachytherapy for patients with tongue cancer, ORAL RADIOLOGY, 40(2), 158-164, 202404
    Link to Paper Search Results by DOI
  11. Radiation doses of medical radiation workers performing low-dose-rate brachytherapy with 198Au grains and 192Ir pins for patients with oral cancers, ORAL RADIOLOGY, 40(2), 234-241, 202404
    Link to Paper Search Results by DOI
  12. Subjective and objective assessments of sweet, umami, and bitter tastes after brachytherapy for patients with tongue cancer, ORAL SCIENCE INTERNATIONAL, 21(1), 93-98, 20230423
    Link to Paper Search Results by DOI
  13. Cone-beam computed tomography-based investigation of pre-eruptive intracoronal resorption prevalence, ODONTOLOGY, 112(1), 256-263, 202401
    Link to Paper Search Results by DOI
  14. Ghost cell odontogenic carcinoma arising in dentinogenic ghost cell tumor, peripheral: A case report, PATHOLOGY INTERNATIONAL, 73(8), 367-372, 202308
    Link to Paper Search Results by DOI
  15. Efficacy of Low-Level Laser Therapy for Oral Mucositis in Hematologic Patients Undergoing Transplantation: A Single-Arm Prospective Study, JOURNAL OF PERSONALIZED MEDICINE, 13(11), 202311
    Link to Paper Search Results by DOI
  16. Radiomics analysis of intraoral ultrasound images for prediction of late cervical lymph node metastasis in patients with tongue cancer, HEAD AND NECK-JOURNAL FOR THE SCIENCES AND SPECIALTIES OF THE HEAD AND NECK, 45(10), 2619-2626, 202310
    Link to Paper Search Results by DOI
  17. Ultrasonographic features of mass lesions in the oral submucosal epithelium using intraoral ultrasonography, HEAD AND NECK-JOURNAL FOR THE SCIENCES AND SPECIALTIES OF THE HEAD AND NECK, 45(11), 2829-2838, 202311
    Link to Paper Search Results by DOI
  18. Head and neck cancer patients show poor oral health as compared to those with other types of cancer, BMC ORAL HEALTH, 23(1), 20230906
    Link to Paper Search Results by DOI
  19. Effectiveness of Spacers in Brachytherapy With 198Au Grains for Patients With Buccal Mucosa Cancer, ANTICANCER RESEARCH, 43(5), 2265-2271, 202305
    Link to Paper Search Results by DOI
  20. Subjective and objective assessments of sweet, umami, and bitter tastes after brachytherapy for patients with tongue cancer, Oral Science International, 20230423
  21. Investigation of Changes in Oral Conditions and Body Weight of Older Residents in an Aged Care Nursing Home, INTERNATIONAL JOURNAL OF GERONTOLOGY, 17(1), 19-24, 202301
    Link to Paper Search Results by DOI
  22. Reirradiation Using Au-198 Grain Brachytherapy for Recurrent Oral Cancer Cases Previously Treated by Definitive Radiotherapy, ANTICANCER RESEARCH, 42(1), 293-300, 202201
    Link to Paper Search Results by DOI
  23. Predictive Factors of Late Cervical Lymph Node Metastasis Using Intraoral Sonography in Patients With Tongue Cancer, ANTICANCER RESEARCH, 42(1), 287-292, 202201
    Link to Paper Search Results by DOI
  24. Brachytherapy with Au-198 grains for cancer of the floor of the mouth: relationships between radiation dose and complications, ORAL RADIOLOGY, 38(1), 105-113, 202201
    Link to Paper Search Results by DOI
  25. ★, Investigating the displacement of radio-active sources during gold-198 grain brachytherapy for hospitalized oral cancer patients, JOURNAL OF CONTEMPORARY BRACHYTHERAPY, 14(2), 115-122, 20220323
    Link to Paper Search Results by DOI
  26. Development of a radiomics and machine learning model for predicting occult cervical lymph node metastasis in patients with tongue cancer, ORAL SURGERY ORAL MEDICINE ORAL PATHOLOGY ORAL RADIOLOGY, 134(1), 93-101, 202207
    Link to Paper Search Results by DOI
  27. Intra- and inter-examination reproducibility of T2 mapping for temporomandibular joint assessment at 3.0 T, SCIENTIFIC REPORTS, 12(1), 20220629
    Link to Paper Search Results by DOI
  28. Periodontal inflamed surface area in oral cavity associated with febrile neutropenia in patients with hematologic malignancy undergoing chemotherapy, SCIENTIFIC REPORTS, 12(1), 20220215
    Link to Paper Search Results by DOI
  29. Effects of perioperative oral care on postoperative inflammation following heart valve surgery, ORAL DISEASES, 27(6), 1542-1550, 202109
    Link to Paper Search Results by DOI
  30. ★, Relationships between intraoral ultrasonographic and histopathological findings in patients with tongue cancer, HEAD AND NECK-JOURNAL FOR THE SCIENCES AND SPECIALTIES OF THE HEAD AND NECK, 43(9), 2778-2785, 202109
    Link to Paper Search Results by DOI
  31. An investigation of tooth loss factors in elderly patients using panoramic radiographs, ORAL RADIOLOGY, 37(3), 436-442, 202107
    Link to Paper Search Results by DOI
  32. Relationship between oral and nutritional status of older residents with severe dementia in an aged care nursing home, GERODONTOLOGY, 38(2), 179-184, 202106
    Link to Paper Search Results by DOI
  33. Intraoral Ultrasonographic Features of Tongue Cancer and the Incidence of Cervical Lymph Node Metastasis, JOURNAL OF ORAL AND MAXILLOFACIAL SURGERY, 79(4), 932-939, 202104
    Link to Paper Search Results by DOI
  34. Treatment outcomes of real-time intraoral sonography-guided implantation technique of Au-198 grain brachytherapy for T1 and T2 tongue cancer, JOURNAL OF RADIATION RESEARCH, 62(5), 871-876, 202109
    Link to Paper Search Results by DOI
  35. Do various imaging modalities provide potential early detection and diagnosis of medication-related osteonecrosis of the jaw? A review, DENTOMAXILLOFACIAL RADIOLOGY, 50(6), 2021
    Link to Paper Search Results by DOI
  36. An investigation of tooth loss factors in elderly patients using panoramic radiographs, Oral Radiology, 202107
  37. Abnormal positioning of the common carotid artery clinically diagnosed as a submandibular mass, ORAL RADIOLOGY, 35(3), 331-334, 201909
    Link to Paper Search Results by DOI
  38. The effectiveness of mouthwashes in alleviating radiation-induced oral mucositis in head and neck cancer patients: a systematic review, ORAL RADIOLOGY, 35(3), 207-223, 201909
    Link to Paper Search Results by DOI
  39. Central mucoepidermoid carcinoma arising from glandular odontogenic cyst confirmed by analysis of MAML2 rearrangement: A case report, PATHOLOGY INTERNATIONAL, 68(1), 31-35, 201801
    Link to Paper Search Results by DOI
  40. Initial Report of the Attempt to Develop New Oral Assessment as Information Sharing with Multi-disciplinary, The Journal of Hiroshima University Dental Society, 49(2), 134-140, 20171201
  41. Important technical parameters are not presented in reports of intraoral digital radiography in endodontic treatment: recommendations for future studies, ORAL SURGERY ORAL MEDICINE ORAL PATHOLOGY ORAL RADIOLOGY, 114(2), 251-+, 2012
  42. Improved inspection of the lateral pharyngeal recess using cone-beam computed tomography in the upright position, ORAL RADIOLOGY, 24(2), 71-75, 200812
    Link to Paper Search Results by DOI
  43. A Questionnaire Survey on Contrast Medium-enhanced Computed Tomography at Dental University Hospitals in Japan, Shika Hoshasen, 53(1), 3-13, 2013
  44. Comprehensive Oral Management for Collaborative Medical and Dental Care -Practical Approaches for Oral Care Support Team-, The Journal of Hiroshima University Dental Society, 45(1), 1-6, 20130601
  45. Experience of Using a Filmless System in Dental Practice at Hiroshima University Hospital, a Former University Dental Hospital, Jpn. J. Radiol. Technol., 67(6), 673-678, 20110620
  46. [Experience of using a filmless system in dental practice at Hiroshima University Hospital, a former university dental hospital]., Nihon Hōshasen Gijutsu Gakkai zasshi, 67(6), 2011
  47. Scanning electron microscopy observations of rice cooked with non-ionic water-soluble iodine for videofluoroscopic swallowing study, Japanese Journal of Comprehensive Rehabilitation Science, 8, 66-70, 20170430
  48. Radiographic changes of the mandible after proton beam radiotherapy for oral cancer: a case report, Int J Case Rep Imag, 8, 2017

Invited Lecture, Oral Presentation, Poster Presentation

  1. Radiomics for Prediction of Medication related Osteonecrosis of the Jaw by CT images., Konishi M, Shimabukuro K, Kakimoto N, The 14th Asian Congress of Oral and Maxillo-facial Radiology, 2024/06/13, Without Invitation, English
  2. Fiberoptic endoscopic evaluation of swallowing may increase pharyngeal residue in postoperative oral cancer patients, Nagasaki T, Yamada S, Yoshikawa M, Yoshida M, Kiichi S, Ohtsuka M, Konishi M, Suei Y, Nakamoto . T, Kakimoto N, The 13th Asian Congress of Oral and Maxillo-facial Radiology, Gifu, Japan, 2022., 2022/06/03, Without Invitation, English
  3. Tastes change after administering brachytherapy for tongue cancer patients, Masaru Konishi, Kiichi Shimabukuro, Pongsapak Wongratwanich, Naoya Kakimoto, The 13th Asian Congress of Oral and Maxillo-facial Radiology, 2022/06/03, Without Invitation, English
  4. Investigation of assessment methods of oral status for older residents in an aged care nursing home, Masaru Konishi, Naoya Kakimoto, 2nd World Dysphagia Summit, 2021/08/20, Without Invitation, English
  5. Early Clinical Exposure at Hiroshima University Patient Imitation Experience to 2nf Grade Students, Konishi M., Nagasaki T., Sawajiri M., Tanimoto K, 10th ACOMFR, 2014/11/22, Without Invitation, English
  6. Oral health care for the head and neck cancer patients before the radiotherapies: A systematic review, Masaru Konishi, Minoru Fujita, Keiji Tanimoto, 19th International congress of dento-maxillo-facial radiology, 2013/06/24, Without Invitation, English
  7. Materials of videofluoroscopic swallowing study A systematic review, Masaru Konishi, Yukimi Yasuhara, Toshikazu Nagasaki, Keiji Tanimoto, 13th European Congress of Dentomaxillofacial Radiology, 2012/06/15, Without Invitation, English
  8. Importamt technical parameters are not presented in stdies on intra oral radiography in endodontic treatment Results of a systematic review, 4, Masaru Konishi, Lindh Christine, Keiji Tanimoto, Rohkin Madeleine, 18th International Congress of Dentomaxillofacial Radiology, 2011/05, Without Invitation, English
  9. Contrast agents used in the videofluoroscopic swallowing study, Masaru Konishi, Toshikazu Nagasaki, Yukimi Yasuhara, Keiji Tanimoto, 18th International Congress of Dentomaxillofacial Radiology, 2011/06, Without Invitation, English
  10. Visualization of Rice Swallowing, Masaru Konishi, Toshikazu Nagasaki, Yukimi Yasuhara, Keiji Tanimoto, 2th Joint Scientific metting in Dentistry, 2011/12/03, Without Invitation, English
  11. The evaluation of videofluoroscopic examination of swallowing in postoperative oral cancer patients, Masaru Konishi, Toshikazu Nagasaki, Yukimi Yasuhara, Samiru Banik, Zaman MD Mahmud UZ., Masahiko Ohtsuka, Masahiko Sawajiri, Takashi Nakamoto, Yoshikazu Suei, Minoru Fujita, Keiji Tanimoto, 12th European Congress of Dento-maxillofacial Radiology, 2010/06, Without Invitation, English
  12. Kinetic analysis of the laryngeal movement and laryngeal closure in swallowing, Masaru Konishi, Toshikazu Nagasaki, Keiji Tanimoto, 17th International Congress of Dento-maxillofacial Radiology, 2009/06, Without Invitation, English
  13. Brachytherapy with 198Au grains for oral cancer: an analysis of treatment results and complications, Masaru Konishi, Minoru Fujita, Naoya Kakimoto, 21th International congress of dento-maxillo-facial radiology, 2017/04/27, Without Invitation, English
  14. Correlations between T2-values and VAS scores in TMJ Disorder Patients, Naoya Kakimoto, Hiroaki Shimamoto, Ai Usami, Yurie Senda, Masaru Konishi, Shumei Murakami, 21th International congress of dento-maxillo-facial radiology, 2017/04/27, Without Invitation, English
  15. Are freeze infusion of root vegetables suitable as a dusphagia diet ?, Toshikazu Nagasaki, Masaru Konishi, Tomohisa Hirai, Hiroaki Kimura, Yukimi Yasuhara, Jun Kayashita, Kouji Sakamoto, Keiji Tanimoto, Dysphagia Research Society 19th Annual Meeting, 2011, Without Invitation, English
  16. Oral health care for head and neck cancer patients with radiotherapy: a systematic review, Masaru Konishi, Minoru Fujita, Naoya Kakimoto, 2018/05/26, Without Invitation, Japanese

Awards

  1. 2025/04/08, Top Cited Article, Radiomics analysis of intraoral ultrasound images for prediction of late cervical lymph node metastasis in patients with tongue cancer

External Funds

Acceptance Results of Competitive Funds

  1. 2019, 2021
  2. 2023, 2024
  3. 2024, 2025
  4. 2022, 2023
  5. 2021, 2022
  6. 2025
  7. 2019, 2021
  8. KAKENHI(Grant-in-Aid for Early-Career Scientists), 2020, 2023

Social Activities

History as Peer Reviews of Academic Papers

  1. 2023, Oral radiology, Others, Reviewer, 1
  2. 2024, Journal of oral pathology & medicine, Others, Reviewer, 1
  3. 2024, Journal of oral and maxillofacial surgery, medicine, and pathology, Others, Reviewer, 2
  4. 2024, Oral Science International, Others, Reviewer, 3
  5. 2023, Journal of Oral Pathology and Medicine, Others
  6. 2023, Journal of oral and maxillofacial surgery, medicine, and pathology, Others
  7. 2023, Oral Radiology, Others, 1
  8. 2021, 10. Clinical Nutrition, Others
  9. 2020, Archives of Oral Biology, Others
  10. 2023, Journal of oral and maxillofacial surgery, medicine, and pathology, Others, Reviewer, 1
  11. 2025, Journal of oral and maxillofacial surgery, medicine, and pathology, Others, Reviewer, 1
  12. 2023, Journal of oral pathology & medicine, Others, Reviewer, 1