Rchr
J-GLOBAL ID:201901017292628655   Update date: Nov. 08, 2024

Masashi Yagi

Masashi Yagi
Affiliation and department:
Job title: Endowed Chair Assistant Professor
Homepage URL  (1): https://x.com/OU_CarbonIonRT
Research field  (1): Radiology
Research keywords  (3): Radiotherapy ,  Heavy Ion Therapy ,  Medical Physics
Research theme for competitive and other funds  (7):
  • 2022 - 2025 陽子線治療の高精度技術標準化に基づいたモデルアプローチを含む臨床的有用性確立に関する研究
  • 2022 - 2025 Three-dimensional patient-specific QA for carbon-ion therapy
  • 2022 - 2025 FLASH effect on carbon-ion beam
  • 2022 - 2023 Development of fixation devices using new materials to reduce pain and radiation exposure and their application to radiotherapy
  • 2017 - 2021 Study on tissue specific biological effectiveness of carbon-ion beam
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Papers (58):
  • Toshiro Tsubouchi, Hiroya Shiomi, Osamu Suzuki, Noriaki Hamatani, Masaaki Takashina, Masashi Yagi, Yushi Wakisaka, Atsuhiro Ogawa, Ayumi Terasawa, Yuichi Akino, et al. Assessing the robustness of dose distributions in carbon ion prostate radiotherapy using a fast dose evaluation system. Journal of applied clinical medical physics. 2024. e14528
  • Masashi Yagi, Kazumasa Minami, Kazuki Fujita, Shinji Nomura, Nagaaki Kamiguchi, Kana Nagata, Ryo Hidani, Daizo Amano, Kenzo Sasai, Shinichi Shimizu, et al. Sparing Effect on Cell Survival Under Normoxia Using Ultra-high Dose Rate Proton Beams from a Compact Superconducting AVF Cyclotron. Anticancer research. 2024. 44. 10. 4251-4260
  • Masashi Yagi, Yushi Wakisaka, Jun Takeno, Shintaro Kanada, Toshiro Tsubouchi, Noriaki Hamatani, Hiroyasu Maruo, Masaaki Takashina, Takayoshi Ishii, Tatsuaki Kanai, et al. Dosimetric impact of stopping power for human bone porosity with dual-energy computed tomography in scanned carbon-ion therapy treatment planning. Scientific reports. 2024. 14. 1. 17440-17440
  • Toshiro Tsubouchi, Keith M Furutani, Masashi Yagi, Takuya Nomura, Shinichi Shimizu, Tatsuaki Kanai, Chris J Beltran. Dosimetric consequences of flap dose due to rapid beam off control for a high intensity carbon ion radiation therapy synchrotron. Medical physics. 2024
  • Sridhar Yaddanapudi, Yushi Wakisaka, Keith M. Furutani, Masashi Yagi, Shinichi Shimizu, Chris J. Beltran. Technical Note: Improving the workflow in a carbon ion therapy center with custom software for enhanced patient care. Technical Innovations & Patient Support in Radiation Oncology. 2024
more...
MISC (52):
  • 東野谷 光弘, 水野 雄貴, 辻本 豊, 中尾 弘, 田中 英一, 八木 雅史. 痛みと被ばくを抑える新素材を用いた固定具の開発と放射線治療への応用. 医療の広場. 2023. 63. 11. 23-26
  • 金田 慎太郎, 八木 雅史, 竹野 純, 脇坂 友詞, 圓尾 浩康, 石居 隆義. 造影Dual-energy CTを用いた重粒子線治療計画へ向けた基礎的検討. 日本放射線技術学会雑誌. 2023. 79. 9. 1025-1025
  • 三好 拓人, 松田 浩二, 野村 拓也, 荻野 浩幸, 岩田 宏満, 歳藤 利行, 大町 千尋, 八木 雅史, 清水 伸一, 濱谷 紀彰, et al. 粒子線治療システムを用いた超高線量率照射によるFLASH効果研究の現状と課題. 放射線生物研究. 2023. 58. 2. 128-149
  • 池田 恢, 宮本 敦史, 和田 健太郎, 中村 亮介, 北野 崇夫, 中田 陵賀, 藤井 和彦, 関 和文, 山本 昌明, 岡本 涼夏, et al. 「待たせない、諦めない」を地域医療ホットラインで. 堺市立総合医療センター医学雑誌. 2023. 23. 34-37
  • 伴 春奈, 辻本 豊, 東野谷 光弘, 北川 智彦, 中尾 弘, 田中 英一, 八木 雅史. COVID-19陽性患者に対する継続的な放射線治療実施方法の確立. 国立病院総合医学会講演抄録集. 2022. 76回. 495-495
more...
Patents (2):
Books (3):
  • Addendum to the QA guideline for particle therapy machine 2016
    2020
  • 詳説非剛体レジストレーション : 放射線治療領域
    中外医学社 2020 ISBN:9784498065284
  • DIR Guideline 2018
    2020
Lectures and oral presentations  (21):
  • Effect of dose nonuniformity on cell killing effect in carbon ion radiotherapy
    (the 61st Annual PTCOG Conference 2023)
  • The effect of Ultra-High Dose-Rate Carbon ion irradiation to cell invasion on breast tumor cells
    (the 61st Annual PTCOG Conference 2023)
  • Beam monitors for a compact medical synchrotron based ultra-high dose-rate scanned carbon-ion beam contributing to further development of FLASH irradiation
    (the 61st Annual PTCOG Conference 2023)
  • THE ABILITY OF A COMPACT-TYPE MEDICAL SYNCHROTRON ON ULTRA-HIGH DOSE-RATE SCANNED CARBON-ION BEAM FOR FLASH RESEARCH
    (2nd Flash Radiotherapy and Particle Therapy Conference (FRPT 2022) 2022)
  • Commissioning of VQA for Carbon Ion Treatment Planning
    (Mayo Clinic, OU, OHITC Joint Seminar 2022)
more...
Education (3):
  • 2010 - 2014 Osaka University Graduate School of Medicine Division of Medicine
  • 2008 - 2010 Osaka University Graduate School of Medicine Division of Health Sciences
  • 2004 - 2008 Osaka University Faculty of Medicine School of Allied Health Sciences
Professional career (1):
  • Ph.D. (Osaka University)
Work history (5):
  • 2015/06 - 現在 Osaka University Graduate School of Medicine Department of Carbon Ion Radiotherapy Endowed Chair Assistant Professor
  • 2014/04 - 2015/05 Osaka University Graduate School of Medicine Radiation Oncology, Department of Radiology Visiting Researcher
  • 2012/04 - 2014/03 University of Minnesota Medical School Visiting Researcher
  • 2011/09 - 2012/03 University of Groningen Kernfysisch Versneller Instituut Visiting Researcher
  • 2008/09 - 2010/03 Hyogo Ion Beam Medical Center Department of Radiation Technology
Committee career (2):
  • 2020/06 - 現在 Japan Society of Medical Physics International Exchange Committee
  • 2015 - 現在 Japan Society of Medical Physics Representative
Awards (9):
  • 2023/04 - Japan Society of Medical Physics Student Encouragement Award A Study on Acquisition System of Carbon ion CT image
  • 2023/04 - Japan Society of Medical Physics Student Encouragement Award Research and development of multipurpose 2D radiation measurement system including time axis
  • 2022/12 - 2nd Flash Radiotherapy and Particle Therapy Conference (FRPT 2022) Best E-Poster Award THE ABILITY OF A COMPACT-TYPE MEDICAL SYNCHROTRON ON ULTRA-HIGH DOSE-RATE SCANNED CARBON-ION BEAM FOR FLASH RESEARCH
  • 2022/04 - Japan Society of Medical Physics ICRPT Award Certificate of Merit Award Validity of two robust radiobiological optimization algorithms based on the mixed beam model for intensity modulated carbon-ion therapy
  • 2021/12 - Japanese Society for Quantum Medical Science Excellent presentation award Development of a Patient QA System Using Independent Beam Models and Irradiation Log Files for Heavy Ion Therapy
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Association Membership(s) (2):
Japanese Society for Radiation Oncology ,  Japan Society of Medical Physics
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