OKAMOTO Hiroyuki 岡本裕之

… Alternative Names

岡本裕之オカモトヒロユキ

Okamoto Hiroyuki 岡本裕之

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Researcher Number	90595729
Affiliation (Current)	2025: 国立研究開発法人国立がん研究センター, 中央病院, 医学物理士
Affiliation (based on the past Project Information) *help	2023: 国立研究開発法人国立がん研究センター, 中央病院, 医学物理士 2015 – 2021: 国立研究開発法人国立がん研究センター, 中央病院, 医学物理士 2015 – 2016: 国立研究開発法人国立がん研究センター, その他部局等, その他 2014: 独立行政法人国立がん研究センター, その他部局等, その他 2014: 独立行政法人国立がん研究センター, 中央病院, 医学物理士
Review Section/Research Field	Principal Investigator Basic Section 52040:Radiological sciences-related / Medical Physics and Radiological Technology Except Principal Investigator Basic Section 52040:Radiological sciences-related / Pathobiological dentistry/Dental radiology
Keywords	Principal Investigator 小線源治療 / 放射線治療 / シンチレータ / ノイズ / フィルム / チェレンコフ光 / 品質管理 / 精度 / 光子線 / 細胞照射 … More / 生物学的効果比 / マイクロドシメトリ / 生物学的効果 / 散乱線 / 低エネルギー / 強度変調放射線治療 … More Except Principal Investigator 小線源治療 / 小線源治療補助システム / Mixed Reality / 組織内照射併用腔内照射 / VRゴーグル / Mixed reality / 口腔癌 Less

Development of a next-generation brachytherapy assistance system using mixed reality technology
- Principal Investigator
  
  村上直也
- Project Period (FY)
  2023 – 2025
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 52040:Radiological sciences-related
- Research Institution
  Juntendo University
Development of real time monitoring system of radiotherapy accuracy by Cherenkov emissionPrincipal Investigator
- Principal Investigator
  
  Okamoto Hiroyuki
- Project Period (FY)
  2018 – 2021
- Research Category
  
  Grant-in-Aid for Early-Career Scientists
- Review Section
  
  Basic Section 52040:Radiological sciences-related
- Research Institution
  National Cancer Center Japan
Development of brachytherapy for early stage oral cancer using I-125 seeds
- Principal Investigator
  
  Miura Masahiko
- Project Period (FY)
  2014 – 2016
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Pathobiological dentistry/Dental radiology
- Research Institution
  Tokyo Medical and Dental University
Impact of biological effectiveness by low energy scattered photon in intensity modulated radiotherapyPrincipal Investigator
- Principal Investigator
  
  Okamoto Hiroyuki
- Project Period (FY)
  2014 – 2017
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Medical Physics and Radiological Technology
- Research Institution
  National Cancer Center Japan

All 2022 2021 2019 2018 2017 2016 2015 Other

All Journal Article Presentation

[Journal Article] Technical note: Analysis of brachytherapy source movement by high-speed camera2022
- Author(s)
  Hiroyuki Okamoto, Kotaro Iijima, Takahito Chiba, et al.,
- Journal Title
  
  Medical Physics
  
  Volume: 1 Issue: 7 Pages: 1-8
- DOI
  10.1002/mp.15601
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18K15613, KAKENHI-PROJECT-19K17218
[Journal Article] Monte Carlo modeling of a 60Co MRI-guided radiotherapy system on Geant4 and experimental verification of dose calculation under a magnetic field of 0.35 T.2019
- Author(s)
  Okamoto H, Nishioka S, Iijima K, Nakamura S, Sakasai T, Miura Y, Takemori M, Nakayama H, Morishita Y, Shimizu M, Abe Y, Igaki H, Nakayama Y, and Itami J.
- Journal Title
  
  Journal of Radiation Research
  
  Volume: 60(1) Issue: 1 Pages: 116-123
- DOI
  10.1093/jrr/rry087
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26860410, KAKENHI-PROJECT-18K15613, KAKENHI-PROJECT-16K10410
[Journal Article] Dummy-run for standardizing plan quality of intensity-modulated radiotherapy for postoperative uterine cervical cancer: Japan Clinical Oncology Group study (JCOG1402).2019
- Author(s)
  Okamoto H, Murakami N, Isohashi F, Kasamatsu T, Hasumi Y, Iijima K, Nishioka S, Nakamura S, Nakamura M, Nishio T, Igaki H, Nakayama Y, Itami J, Ishikura S, Nishimura Y, Toita T.
- Journal Title
  
  Radiat Oncol.
  
  Volume: 14 Issue: 1 Pages: 133-133
- DOI
  10.1186/s13014-019-1340-y
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-19K08179, KAKENHI-PROJECT-18K15613, KAKENHI-PROJECT-19K17218, KAKENHI-PROJECT-16K10410
[Journal Article] Establishment of postal audit system in intensity-modulated radiotherapy by radiophotoluminescent glass dosimeters and a radiochromic film2018
- Author(s)
  Hiroyuki Okamoto,Toshiyuki Minemura, Mitsuhiro Nakamura, Hideyuki Mizuno, Naoki Tohyama, Teiji Nishio, Akihisa Wakita, Satoshi Nakamura, Shie Nishioka, Kotaro Iijima, Daisuke Fujiyama, Jun Itami, Yasumasa Nishimura
- Journal Title
  
  Physica Medica
  
  Volume: 48 Pages: 119-126
- DOI
  10.1016/j.ejmp.2018.03.013
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26860411, KAKENHI-PROJECT-26860410
[Journal Article] Positional uncertainty of vaginal cuff and feasibility of implementing portable bladder scanner in postoperative cervical cancer patients2018
- Author(s)
  Okamoto Hiroyuki、Murakami Naoya、Carvajal C. Claudia、Miura Yuki、Wakita Akihisa、Nakamura Satoshi、Nishioka Shie、Iijima Kotaro、Inaba Koji、Ito Yoshinori、Kato Tomoyasu、Toita Takafumi、Itami Jun
- Journal Title
  
  Phys Med
  
  Volume: 45 Pages: 1-5
- DOI
  10.1016/j.ejmp.2017.11.018
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K10398, KAKENHI-PROJECT-26860411, KAKENHI-PROJECT-26860410
[Journal Article] Modeling the detection efficiency of an HP-Ge detector for use in boron neutron capture therapy.2017
- Author(s)
  Nakamura S, Wakita A, Ito M, Okamoto H, Nishioka S, Iijima K, Kobayashi K, Nishio T, Igaki H, Itami J.
- Journal Title
  
  Appl Radiat Isot.
  
  Volume: 印刷中 Pages: 80-85
- DOI
  10.1016/j.apradiso.2017.03.027
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K10410, KAKENHI-PROJECT-26860410, KAKENHI-PROJECT-26860411
[Journal Article] A management method for the statistical results of patient-specific quality assurance for intensity-modulated radiation therapy2017
- Author(s)
  Nakamura S, Okamoto H, Wakita A, Umezawa R, Takahashi K, Inaba K, Murakami N, Kato T, Igaki H, Ito Y, Abe Y, and Itami J
- Journal Title
  
  Journal of Radiation Research
  
  Volume: 印刷中 Issue: 4 Pages: 572-578
- DOI
  10.1093/jrr/rrw107
- Peer Reviewed / Acknowledgement Compliant / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26860410, KAKENHI-PROJECT-26860411, KAKENHI-PROJECT-16K10410
[Journal Article] Independent assessment of source position for gynecological applicator in high-dose-rate brachytherapy2017
- Author(s)
  Okamoto Hiroyuki、Nakamura Satoshi、Nishioka Shie、Iijima Kotaro、Wakita Akihisa、Abe Yukinao、Tohyama Naoki、Kawamura Shinji、Minemura Toshiyuki、Itami Jun
- Journal Title
  
  Journal of Contemporary Brachytherapy
  
  Volume: 5 Pages: 477-486
- DOI
  10.5114/jcb.2017.70952
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26860410, KAKENHI-PROJECT-26860411
[Journal Article] Log-file analysis of accuracy of beam localization for brain tumor treatment by CyberKnife2016
- Author(s)
  Okamoto H, Hamada M, Sakamoto E, Wakita A, Nakamura S, Kato T, Abe Y, Takahashi K, Igaki H, Itami J.
- Journal Title
  
  Practical Radiation Oncology
  
  Volume: 16
- Peer Reviewed / Acknowledgement Compliant / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26860411
[Journal Article] Dosimetric impact of an air passage on intraluminal brachytherapy for bronchus cancer2016
- Author(s)
  Okamoto H, Wakita A, Nakamura S, Nishioka S, Aikawa A, Kato T, Abe Y, Kobayashi K, Inaba K, Murakami N, and Itami J
- Journal Title
  
  Journal of Radiation Research
  
  Volume: 57 (6) Issue: 6 Pages: 637-645
- DOI
  10.1093/jrr/rrw072
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26860410, KAKENHI-PROJECT-26860411
[Presentation] ハイスピードカメラを用いた線源駆動情報からのTransit doseの評価2021
- Author(s)
  岡本裕之，飯島康太郎，中村哲志，他
- Organizer
  小線源治療部会第23回学術大会
- Data Source
  KAKENHI-PROJECT-18K15613
[Presentation] チェレンコフ光を用いた新たな品質管理への期待2019
- Author(s)
  岡本裕之
- Organizer
  第５６回臨床医学物理研究会
- Data Source
  KAKENHI-PROJECT-18K15613
[Presentation] Development of motion phantom in MRI-guided radiotherapy2018
- Author(s)
  Hiroyuki Okamoto, Shie Nishioka, Kotaro Iijima, Sakasai Tatsuya, Yuki Miura, Akihisa Wakita, Satoshi Nakamura, Toru Kato, Yoshihisa Abe, Jun Itami
- Organizer
  第１１５回日本医学物理学会学術大会
- Data Source
  KAKENHI-PROJECT-26860411
[Presentation] Dosimetric characteristics of double-focused MLCs in MRI-guided radiation therapy2017
- Author(s)
  Hiroyuki Okamoto, Shie Nishioka, Sakasai Tatsuya, Yuki Miura, Kotaro Iijima, Akihisa Wakita, Satoshi Nakamura, Toru Kato, Yoshihisa Abe, Jun Itami
- Organizer
  2017 Annual Meeting- American Society for Radiation Oncology
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26860411
[Presentation] 線源強度・治療計画の不確かさ2017
- Author(s)
  岡本裕之，脇田明尚，中村哲志，西岡史絵，飯島康太郎，相川亜子，芝田祥宏，加藤融，阿部容久，伊丹純
- Organizer
  日本放射線腫瘍学会小線源治療部会第19回学術大会
- Invited
- Data Source
  KAKENHI-PROJECT-26860411
[Presentation] モンテカルロコードGEANT4を用いた MR一体型放射線治療装置のモデリングと磁場の線量変化2017
- Author(s)
  岡本裕之，西岡史絵，逆井達也，三浦悠記，飯島康太郎，脇田明尚，中村哲志，小林和馬，井垣浩，阿部容久，伊丹純
- Organizer
  日本放射線腫瘍学会　第３０回学術大会
- Data Source
  KAKENHI-PROJECT-26860411
[Presentation] The 29th Annual Meeting of the Japanese Society for Radiation Oncology2016
- Author(s)
  Okamoto H, Wakita A, Nakamura S, Nishioka S, Aikawa A, Kato T, Abe Y, Kobayashi K, Inaba K, Murakami N, Itami J.
- Organizer
  The 112th Meeting of Japan Society of Medical Physics
- Place of Presentation
  沖縄コンベンションセンター（沖縄）
- Year and Date
  2016-09-08
- Data Source
  KAKENHI-PROJECT-26860411
[Presentation] Log-file analysis of long-term treatment accuracy in CyberKnife2016
- Author(s)
  Okamoto H, Hamada M, Sakamoto E, Kamikaji S, Wakita S, Nakamura S, Nishioka S, Iijima K, Kato T, Abe Y, Takahashi K, Igaki H, and Itami J.
- Organizer
  The 29th Annual Meeting of the Japanese Society for Radiation Oncology
- Place of Presentation
  国京都国際会館（京都）
- Year and Date
  2016-11-25
- Data Source
  KAKENHI-PROJECT-26860411
[Presentation] Multi-institutional study of assessment of source dwell position in brachytherapy2016
- Author(s)
  岡本裕之
- Organizer
  第111回　日本医学物理学会学術大会
- Place of Presentation
  神奈川県，パシフィコ横浜,
- Year and Date
  2016-04-14
- Data Source
  KAKENHI-PROJECT-26860411
[Presentation] Development of QA tool for evaluation of dwell position of a source in HDR brachytherapy2015
- Author(s)
  岡本裕之
- Organizer
  第109回　日本医学物理学会学術大会
- Place of Presentation
  神奈川県，パシフィコ横浜,
- Year and Date
  2015-04-16
- Data Source
  KAKENHI-PROJECT-26860411
[Presentation] Mechanical uncertainty of CyberKnife for metastatic brain tumor patient using Log-file analysis2015
- Author(s)
  岡本裕之
- Organizer
  第109回　日本医学物理学会学術大会
- Place of Presentation
  神奈川県，パシフィコ横浜,
- Year and Date
  2015-04-16
- Data Source
  KAKENHI-PROJECT-26860411
[Presentation] Mechanical uncertainty of CyberKnife for metastatic brain tumor patient using Log-file analysis
- Author(s)
  Hiroyuki Okamoto, Minoru Hamada, Emi Sakamoto, Takumi Iwase, Akihisa Wakita, Satoshi Nakamura, Yoshihisa Abe, Kana Takahashi, Hiroshi Igaki, Jun Itami
- Organizer
  第109回日本医学物理学会学術大会
- Place of Presentation
  パシフィコ横浜
- Year and Date
  2015-04-16 – 2015-04-19
- Data Source
  KAKENHI-PROJECT-26860411

1. 中村哲志 (20638374)

# of Collaborated Projects: 2 results

# of Collaborated Products: 14 results
2. 飯島康太郎 (50792909)

# of Collaborated Projects: 2 results

# of Collaborated Products: 6 results
3. Miura Masahiko (10272600)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
4. 林良雄 (10322562)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
5. 吉村亮一 (40302864)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
6. 戒田篤志 (40632097)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
7. 村上直也 (00604282)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
8. 稲葉浩二 (00604646)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
9. 大熊加恵 (00631136)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
10. 千葉貴仁 (20804868)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
11. Itami Jun

# of Collaborated Projects: 1 results

# of Collaborated Products: 10 results
12. Masutani Mitsuko

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
13. Imamichi Shoji

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
14. Nishioka Shie

# of Collaborated Projects: 1 results

# of Collaborated Products: 7 results
15. Takemori Mihiro

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
16. Nakayama Hiroki

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
17. ITO MASASHI

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
18. TOITA Takahumi

# of Collaborated Projects: 0 results

# of Collaborated Products: 2 results
19. 井垣浩

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results

OKAMOTO Hiroyuki 岡本 裕之

岡本 裕之 オカモト ヒロユキ

Okamoto Hiroyuki 岡本 裕之

Research Projects

Research Products

Co-Researchers

Development of a next-generation brachytherapy assistance system using mixed reality technology

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Development of real time monitoring system of radiotherapy accuracy by Cherenkov emissionPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Development of brachytherapy for early stage oral cancer using I-125 seeds

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Impact of biological effectiveness by low energy scattered photon in intensity modulated radiotherapyPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

[Journal Article] Technical note: Analysis of brachytherapy source movement by high-speed camera2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Monte Carlo modeling of a 60Co MRI-guided radiotherapy system on Geant4 and experimental verification of dose calculation under a magnetic field of 0.35 T.2019

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Dummy-run for standardizing plan quality of intensity-modulated radiotherapy for postoperative uterine cervical cancer: Japan Clinical Oncology Group study (JCOG1402).2019

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Establishment of postal audit system in intensity-modulated radiotherapy by radiophotoluminescent glass dosimeters and a radiochromic film2018

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Positional uncertainty of vaginal cuff and feasibility of implementing portable bladder scanner in postoperative cervical cancer patients2018

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Modeling the detection efficiency of an HP-Ge detector for use in boron neutron capture therapy.2017

Author(s)

Journal Title

DOI

Data Source

[Journal Article] A management method for the statistical results of patient-specific quality assurance for intensity-modulated radiation therapy2017

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Independent assessment of source position for gynecological applicator in high-dose-rate brachytherapy2017

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Log-file analysis of accuracy of beam localization for brain tumor treatment by CyberKnife2016

Author(s)

Journal Title

Data Source

[Journal Article] Dosimetric impact of an air passage on intraluminal brachytherapy for bronchus cancer2016

Author(s)

Journal Title

DOI

Data Source

[Presentation] ハイスピードカメラを用いた線源駆動情報からのTransit doseの評価2021

OKAMOTO Hiroyuki 岡本裕之

岡本裕之オカモトヒロユキ

Okamoto Hiroyuki 岡本裕之

[Presentation] 線源強度・治療計画の不確かさ2017

[Presentation] モンテカルロコードGEANT4を用いた MR一体型放射線治療装置のモデリングと磁場の線量変化2017