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Kawahara Daisuke  河原 大輔

ORCIDConnect your ORCID iD *help
Researcher Number 20630461
Other IDs
Affiliation (Current) 2020: 広島大学, 医系科学研究科(医), 助教
Affiliation (based on the past Project Information) *help 2020: 広島大学, 医系科学研究科(医), 助教
2016 – 2019: 広島大学, 病院(医), 診療放射線技師
Review Section/Research Field
Principal Investigator
Medical Physics and Radiological Technology / Basic Section 52040:Radiological sciences-related
Except Principal Investigator
Basic Section 52040:Radiological sciences-related / Basic Section 56050:Otorhinolaryngology-related
Keywords
Principal Investigator
造影剤 / 線量計算 / 放射線治療 / 治療計画 / Dual energy CT / 電子密度 / 単色X線CT値 / モンテカルロ計算 / 実効原子番号 / 医療・福祉 … More / 放射線 / X線 / 放射線増感効果 / 被ばく線量 … More
Except Principal Investigator
人工知能 / 食道癌 / 化学放射線治療 / 効果予測 / 肺機能画像 / 局所進行非小細胞肺癌 / 放射線治療 / オーダーメイド / 咽喉頭癌 / 経口的咽喉頭手術 / 深達度診断 Less
  • Research Projects

    (5 results)
  • Research Products

    (17 results)
  • Co-Researchers

    (16 People)
  •  Maide-to-order radiation therapy using functional imaging for locally advanced non-small cell lung cancerOngoing

    • Principal Investigator
      木村 智樹
    • Project Period (FY)
      2020 – 2023
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Review Section
      Basic Section 52040:Radiological sciences-related
    • Research Institution
      Hiroshima University
  •  頭頸部癌における人工知能を用いた内視鏡と経口超音波による超高精度診断モデルの開発Ongoing

    • Principal Investigator
      上田 勉
    • Project Period (FY)
      2020 – 2022
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Review Section
      Basic Section 56050:Otorhinolaryngology-related
    • Research Institution
      Hiroshima University
  •  造影下低エネルギーX線照射による被ばく線量定量化及び新規放射線治療法実現性の検討Principal InvestigatorOngoing

    • Principal Investigator
      河原 大輔
    • Project Period (FY)
      2020 – 2023
    • Research Category
      Grant-in-Aid for Early-Career Scientists
    • Review Section
      Basic Section 52040:Radiological sciences-related
    • Research Institution
      Hiroshima University
  •  食道癌化学放射線療法における人工知能を用いた治療効果予測モデルの開発Ongoing

    • Principal Investigator
      村上 祐司
    • Project Period (FY)
      2019 – 2021
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Review Section
      Basic Section 52040:Radiological sciences-related
    • Research Institution
      Hiroshima University
  •  Automatic Contrast Agent Extraction System with Dual Energy CTPrincipal Investigator

    • Principal Investigator
      Kawahara Daisuke
    • Project Period (FY)
      2016 – 2018
    • Research Category
      Grant-in-Aid for Young Scientists (B)
    • Research Field
      Medical Physics and Radiological Technology
    • Research Institution
      Hiroshima University

All 2018 2017 2016

All Journal Article Presentation

  • [Journal Article] Tolerance levels of CT number to electron density table for photon beam in radiotherapy treatment planning system2018

    • Author(s)
      Nakao M, Kawahara D, Ozawa S, Yamada K, Hosono F, et al.
    • Journal Title

      Journal applied clinical medical physics

      Volume: 19 Pages: 271-75

    • DOI

      10.1002/acm2.12226

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-16K19231
  • [Journal Article] Relative biological effectiveness study of Lipiodol based on microdosimetric-kinetic model2018

    • Author(s)
      Kawahara D, Nakano H, Ozawa S, Saito A, Kimura T, Suzuki T, Tsuneda M, Tanaka S, Ohno Y, Murakami Y and Nagata Y
    • Journal Title

      Physica Medica

      Volume: 46 Pages: 89-95

    • DOI

      10.1016/j.ejmp.2018.01.018

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-16K19231
  • [Journal Article] Effect of secondary electron generation on dose enhancement in Lipiodol with and without a flattening filter2018

    • Author(s)
      Kawahara D, Ozawa S, Saito A, Kimura T, et al.
    • Journal Title

      Journal applied clinical medical physics

      Volume: 19 Pages: 211-217

    • DOI

      10.1002/acm2.12282

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-16K19231
  • [Journal Article] Accuracy of the raw-data-based effective atomic numbers and monochromatic CT numbers for contrast medium with a dual-energy CT technique2018

    • Author(s)
      Kawahara D, Ozawa S, Yokomachi K, Tanaka S, et al.
    • Journal Title

      The British Journal of Radiology

      Volume: 91 Pages: 1082-1082

    • DOI

      10.1259/bjr.20170524

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-16K19231
  • [Journal Article] Energy spectrum and dose enhancement due to the depth of the Lipiodol position using flattened and unflattened beams2018

    • Author(s)
      Kawahara D, Ozawa S, Saito A, Kimura T, Suzuki T, Tsuneda M, Tanaka S, Hioki K, Nakashima T, Ohno Y, Murakami Y and Nagata Y
    • Journal Title

      Reports of Practical Oncology and Radiotherapy

      Volume: 23 Pages: 50-56

    • DOI

      10.1016/j.rpor.2017.12.004

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-16K19231
  • [Journal Article] Automatic contrast medium extraction system using electron density data with dual-energy CT2018

    • Author(s)
      Kawahara D, Ozawa S, Tanaka S, Yokomachi K, Higaki T, Saito A, Miki K, Fujioka C, Ohno Y, Ohno Y, Kimura T, Murakami Y, Nagata Y
    • Journal Title

      The British Journal of Radiology

      Volume: 90 Pages: 1090-1090

    • DOI

      10.1259/bjr.20180396

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-16K19231
  • [Journal Article] Dosimetric Impact of Lipiodol in Stereotactic Body Radiation Therapy on Liver after Trans-arterial Chemoembolization2017

    • Author(s)
      Kawahara D, Ozawa S, Saito A, Nishio T, et al.
    • Journal Title

      Medical Physics

      Volume: 44 Pages: 342-348

    • DOI

      10.1002/mp.12028

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-16K19231
  • [Presentation] Contrast medium extraction method using raw-data based electron density with Dual energy-CT2018

    • Author(s)
      Kawahara D, Ozawa S, Tanaka S, Yokomachi K, Higaki T, Saito A, Miki K, Fujioka C, Ohno Y, Ohno Y, Kimura T, Murakami Y, Nagata Y
    • Organizer
      ESTRO37
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-16K19231
  • [Presentation] Accuracy of the effective atomic numbers and theoretical monochromatic CT numbers for contrast medium with raw-data based dual-energy CT2018

    • Author(s)
      Kawahara D, Ozawa S, Tanaka S, Yokomachi K, Higaki T, Saito A, Miki K, Fujioka C, Ohno Y, Ohno Y, Kimura T, Murakami Y, Nagata Y
    • Organizer
      第74回日本放射線技術学会総会学術大会
    • Data Source
      KAKENHI-PROJECT-16K19231
  • [Presentation] Relative biological effectiveness and relative dose-rate effect on Lipiodol based on the microdosimetric-kinetic model2018

    • Author(s)
      Kawahara D, Nakano H, Ozawa S, Saito A, Kimura T, Suzuki T, Tsuneda M, Tanaka S, Ohno Y, Murakami Y and Nagata Y
    • Organizer
      ESTRO37
    • Data Source
      KAKENHI-PROJECT-16K19231
  • [Presentation] Contrast medium extraction system using direct-electron density- CT number method and dual CT number method with Dual energy-CT2018

    • Author(s)
      Kawahara D, Ozawa S, Tanaka S, Yokomachi K, Higaki T, Saito A, Miki K, Fujioka C, Ohno Y, Ohno Y, Kimura T, Murakami Y, Nagata Y
    • Organizer
      The 3rd International Conference on Radiological Science and Technology (ICRST)
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-16K19231
  • [Presentation] Dual Energy CT を用いた造影剤物質特定及び線量計算システム構築に向けた最適な造影剤抽出方法の検討2017

    • Author(s)
      河原大輔
    • Organizer
      第73回日本放射線技術学会
    • Place of Presentation
      パシフィコ横浜
    • Year and Date
      2017-04-12
    • Data Source
      KAKENHI-PROJECT-16K19231
  • [Presentation] Relative biological effectiveness study on Lipiodol based on the microdosimetric-kinetic model2017

    • Author(s)
      D Kawahara, S Ozawa, T Nakashima, et al.
    • Organizer
      8th Japan-Korea Joint Meeting on Medical Physics
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-16K19231
  • [Presentation] Contrast medium extraction system using direct-electron density- CT number method and dual CT number method with Dual energy-CT2017

    • Author(s)
      D Kawahara, S Ozawa, T Nakashima, et al.
    • Organizer
      The 3rd International Conference on Radiological Science and Technology (ICRST)
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-16K19231
  • [Presentation] Iodine Extraction Method using Direct-Electron Density and CT value with Dual energy-CT2017

    • Author(s)
      D Kawahara, S Ozawa, T Nakashima, et al.
    • Organizer
      AAPM 59th Annual Meeting & Exhibition
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-16K19231
  • [Presentation] Dual Energy CT を用いた造影剤物質特定及び線量計算システム構築に向けた最適な造影剤抽出方法の検討2017

    • Author(s)
      河原大輔、小澤修一、斎藤明登、田中創大、他。
    • Organizer
      第73回日本放射線技術学会総会
    • Data Source
      KAKENHI-PROJECT-16K19231
  • [Presentation] Dual Energy CT を用いた造影剤物質特定及び線量計算システムの開発に向けて2016

    • Author(s)
      河原大輔
    • Organizer
      第16 回広島放射線治療研究会
    • Place of Presentation
      アークホテル広島
    • Data Source
      KAKENHI-PROJECT-16K19231
  • 1.  村上 祐司 (10403528)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 2.  西淵 いくの (70595834)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 3.  三木 健太朗 (90732818)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 4.  木村 智樹 (90379876)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 5.  神宮 啓一 (00451592)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 6.  永田 靖 (10228033)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 7.  角谷 倫之 (20604961)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 8.  中島 祐二朗 (20799530)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 9.  今野 伸樹 (40815320)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 10.  日置 一成 (60761989)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 11.  唐澤 克之 (80177617)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 12.  上田 勉 (70522928)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 13.  樽谷 貴之 (10569007)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 14.  卜部 祐司 (10648033)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 15.  竹野 幸夫 (50243556)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 16.  TANAKA Sodai
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 9 results

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