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Development of kV X-ray imaging dose calculation system

Research Project

Project/Area Number 17K15801
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Medical Physics and Radiological Technology
Research InstitutionJapanese Red Cross Wakayama Medical Center (2018-2020)
Kyoto University (2017)

Principal Investigator

Ishihara Yoshitomo  日本赤十字社和歌山医療センター(臨床研究センター), 放射線治療科部, 医学物理課長補佐 (60709351)

Project Period (FY) 2017-04-01 – 2021-03-31
Project Status Completed (Fiscal Year 2020)
Budget Amount *help
¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2019: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2018: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2017: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Keywords被ばく線量計算 / 線量計算 / モンテカルロ法 / 被ばく線量 / 医学物理 / 医療被ばく / 放射線 / 被ばく
Outline of Final Research Achievements

Radiation is essential for medical field such as radiography, nuclear medicine and interventional radiotherapy. Generally, we calculate patient dose distribution before radiotherapy using MV X-ray. But, it is not generally to calculate patient dose distribution in the radiodiagnosis field. In this study, we developed kV X-ray imaging dose calculation system.

Academic Significance and Societal Importance of the Research Achievements

放射線治療に用いられている線量計算システムの様に、放射線画像検査領域において、患者個人の被ばく線量を定量的に計算する環境は現在存在しない。そのため、装置からの出力、患者体表の線量計の値を使用すことにより管理を行っているのが現状である。 本システムの開発により放射線画像検査、核医学検査、血管造影検査における患者個人に対する医療被ばく線量の算出が可能となる。
医療施設側においても、体内被ばく線量見える化により、放射線検査、放射線治療計画の最適化が可能となり、被ばく線量低減や有害事象低減に向けて具体的な数値データを根拠に貢献可能となる。

Report

(5 results)
  • 2020 Annual Research Report   Final Research Report ( PDF )
  • 2019 Research-status Report
  • 2018 Research-status Report
  • 2017 Research-status Report
  • Research Products

    (5 results)

All 2020 2018

All Journal Article (2 results) (of which Int'l Joint Research: 2 results,  Peer Reviewed: 2 results,  Open Access: 1 results) Presentation (3 results) (of which Int'l Joint Research: 3 results)

  • [Journal Article] Monte Carlo simulation of 6 MV dynamic wave VMAT deliveries by Vero4DRT linear accelerator using EGSnrc moving sources2020

    • Author(s)
      Rostamzadeh Maryam, Ishihara Yoshitomo, Nakamura Mitsuhiro, Popescu Antoniu, Mestrovic Ante, Gete Ermias, Fedrigo Roberto, Bergman Alanah
    • Journal Title

      J Appl Clin Med Phys

      Volume: 21 Issue: 12 Pages: 206-218

    • DOI

      10.1002/acm2.13090

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Quantification of the kV X-ray imaging dose during real-time tumor tracking and from three- and four-dimensional cone-beam computed tomography in lung cancer patients using a Monte Carlo simulation2018

    • Author(s)
      Nakamura Mitsuhiro、Ishihara Yoshitomo、Matsuo Yukinori、Iizuka Yusuke、Ueki Nami、Iramina Hiraku、Hirashima Hideaki、Mizowaki Takashi
    • Journal Title

      Journal of Radiation Research

      Volume: 59 Issue: 2 Pages: 173-181

    • DOI

      10.1093/jrr/rrx098

    • Related Report
      2017 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Presentation] Development of kV X-ray imaging dose calculation system for image guided radiation therapy2020

    • Author(s)
      Yoshitomo Ishihara
    • Organizer
      14th National Radiation Oncology Congress - UROK 2020
    • Related Report
      2020 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Development of kV X-ray imaging dose calculation system for image guided radiation therapy2018

    • Author(s)
      Yoshitomo Ishihara
    • Organizer
      The 18th Asia-Oceania Congress of Medical Physics
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research
  • [Presentation] Development of Monte Carlo dose calculation system for a new dual layer multi-leaf collimator2018

    • Author(s)
      Yoshitomo Ishihara
    • Organizer
      2018 AAPM Annual Meeting
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research

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Published: 2017-04-28   Modified: 2022-01-27  

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