Kawahara Daisuke 河原大輔

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 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

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

Kawahara Daisuke 河原 大輔

Research Projects

Research Products

Co-Researchers

Maide-to-order radiation therapy using functional imaging for locally advanced non-small cell lung cancerOngoing

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

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

Project Period (FY)

Research Category

Review Section

Research Institution

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

Project Period (FY)

Research Category

Review Section

Research Institution

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

Project Period (FY)

Research Category

Review Section

Research Institution

Automatic Contrast Agent Extraction System with Dual Energy CTPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

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

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Relative biological effectiveness study of Lipiodol based on microdosimetric-kinetic model2018

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Effect of secondary electron generation on dose enhancement in Lipiodol with and without a flattening filter2018

Author(s)

Journal Title

DOI

Data Source

[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)

Journal Title

DOI

Data Source

[Journal Article] Energy spectrum and dose enhancement due to the depth of the Lipiodol position using flattened and unflattened beams2018

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Automatic contrast medium extraction system using electron density data with dual-energy CT2018

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Dosimetric Impact of Lipiodol in Stereotactic Body Radiation Therapy on Liver after Trans-arterial Chemoembolization2017

Author(s)

Journal Title

DOI

Data Source

[Presentation] Contrast medium extraction method using raw-data based electron density with Dual energy-CT2018

Author(s)

Organizer

Data Source

[Presentation] Accuracy of the effective atomic numbers and theoretical monochromatic CT numbers for contrast medium with raw-data based dual-energy CT2018

Author(s)

Organizer

Data Source

[Presentation] Relative biological effectiveness and relative dose-rate effect on Lipiodol based on the microdosimetric-kinetic model2018

Author(s)

Organizer

Kawahara Daisuke 河原大輔