Kawahara Daisuke 河原大輔

Researcher Number	20630461
Other IDs
Affiliation (Current)	2025: 広島大学, 病院(医), 准教授
Affiliation (based on the past Project Information) *help	2024 – 2025: 広島大学, 病院(医), 講師 2021 – 2024: 広島大学, 病院(医), 助教 2019 – 2021: 広島大学, 医系科学研究科(医), 助教 2016 – 2018: 広島大学, 病院(医), 診療放射線技師
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 / Sections That Are Subject to Joint Review: Basic Section90130:Medical systems-related , Basic Section90140:Medical technology assessment-related / Basic Section 90140:Medical technology assessment-related / Basic Section 90130:Medical systems-related / Basic Section 50020:Tumor diagnostics and therapeutics-related / Basic Section 62010:Life, health and medical informatics-related / Basic Section 56050:Otorhinolaryngology-related
Keywords	Principal Investigator 放射線治療 / 線量計算 / 造影剤 / インシリコシミュレーション / AI / 放射線増感効果 / Computed Tomography / 被ばく線量 / 医学物理学 / X線 … More / 放射線 / 医療・福祉 / 実効原子番号 / モンテカルロ計算 / 単色X線CT値 / 電子密度 / Dual energy CT / 治療計画 … More Except Principal Investigator 放射線治療 / 人工知能 / 頭頸部癌 / 食道癌 / 機械学習 / 医用画像統合プラットフォーム / 呼吸性移動対策 / MR機能画像 / MR画像誘導即時適応放射線治療 / 医用画像 / バイオマーカー / 精密医療 / 腎細胞癌 / Radiogenomics / 医療画像解析 / Tongue-out raidotherapy / 放射線性口内炎 / 急性期有害事象 / 高齢者 / オーダーメイド / 強度変調放射線治療 / 局所進行非小細胞肺癌 / 肺機能画像 / 咽喉頭癌 / Deep learning / 人工知能（AI） / Radionics / 経口的咽喉頭手術 / 深達度診断 / 効果予測 / 化学放射線治療 / 術前化学放射線治療 / 予測モデル / 病理学的奏功 / ニューラルネットワーク / Radiomics / 治療効果予測 / 化学放射線療法 / 食道扁平上皮癌 Less

分子イメージングによる腫瘍内低酸素の特定とMR機能画像誘導放射線治療法の開発
- Principal Investigator
  
  恒田雅人
- Project Period (FY)
  2025 – 2028
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 90130:Medical systems-related
  Basic Section 90140:Medical technology assessment-related
  Sections That Are Subject to Joint Review: Basic Section90130:Medical systems-related , Basic Section90140:Medical technology assessment-related
- Research Institution
  Chiba University
Visualization in prognostic prediction of medical AI and the construction of optimal radiation therapy simulationPrincipal Investigator
- Principal Investigator
  
  河原大輔
- Project Period (FY)
  2024 – 2026
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 52040:Radiological sciences-related
- Research Institution
  Hiroshima University
Tongue-out Radiotherapy：毒性低減のための新アプローチ
- Principal Investigator
  
  村上祐司
- Project Period (FY)
  2024 – 2026
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 52040:Radiological sciences-related
- Research Institution
  Hiroshima University
Radiomicsを用いた転移性腎癌における適正使用薬剤の検討
- Principal Investigator
  
  岩根亨輔
- Project Period (FY)
  2024 – 2026
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 62010:Life, health and medical informatics-related
- Research Institution
  Hiroshima University
新規Radiogenomicsを用いた淡明細胞型腎細胞癌浸潤メカニズムの解明
- Principal Investigator
  
  池田健一郎
- Project Period (FY)
  2023 – 2025
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 50020:Tumor diagnostics and therapeutics-related
- Research Institution
  Hiroshima University
人工知能を用いた高齢がん患者の至適治療法選択のための個別化医療支援システムの開発
- Principal Investigator
  
  西淵いくの
- Project Period (FY)
  2022 – 2024
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 52040:Radiological sciences-related
- Research Institution
  Hiroshima University
Development of an ultra-high-precision diagnostic model using endoscopy and oral ultrasound with artificial intelligence in head and neck cancer.
- Principal Investigator
  
  Ueda Tsutomu
- 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
Quantification of radiation exposure through low-energy X-ray irradiation under contrast imaging and assessment of feasibility for novel radiotherapy approachesPrincipal Investigator
- Principal Investigator
  
  Kawahara Daisuke
- 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
Maide-to-order radiation therapy using functional imaging for locally advanced non-small cell lung cancer
- Principal Investigator
  
  Kimura Tomoki
- Project Period (FY)
  2020 – 2023
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 52040:Radiological sciences-related
- Research Institution
  Kochi University
Predicting the Local Response of Esophageal Squamous Cell Carcinoma to Neoadjuvant Chemoradiotherapy by Radiomics with a Machine Learning Method Using 18F-FDG PET Images
- Principal Investigator
  
  Murakami Yuji
- 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 2023 2022 2021 2020 2018 2017 2016

All Journal Article Presentation

[Journal Article] Prognostic Value of Radiomics Analysis of Skeletal Muscle After Radical Irradiation of Esophageal Cancer2023
- Author(s)
  IWASHITA KAZUMA、KUBOTA HIKARU、NISHIOKA RIKU、EMOTO YUKI、KAWAHARA DAISUKE、ISHIHARA TAKEAKI、MIYAWAKI DAISUKE、NISHIBUCHI IKUNO、NAGATA YASUSHI、SASAKI RYOHEI
- Journal Title
  
  Anticancer Research
  
  Volume: 43 Issue: 4 Pages: 1749-1760
- DOI
  10.21873/anticanres.16328
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K06430, KAKENHI-PROJECT-22K07748, KAKENHI-PROJECT-22K15845, KAKENHI-PROJECT-20KK0192, KAKENHI-PROJECT-21K07594, KAKENHI-PROJECT-21K07642, KAKENHI-PROJECT-20K08108, KAKENHI-PROJECT-20K21576, KAKENHI-PROJECT-23K24287
[Journal Article] Dose uncertainty due to energy dependence in dual-energy computed tomography2023
- Author(s)
  Kawahara Daisuke、Toyoda Takatoshi、Yokomachi Kazushi、Fujioka Chikako、Nagata Yasushi
- Journal Title
  
  Polish Journal of Radiology
  
  Volume: 88 Pages: 270-274
- DOI
  10.5114/pjr.2023.128682
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K16727
[Journal Article] Radiomic Analysis for Pretreatment Prediction of Recurrence Post-Radiotherapy in Cervical Squamous Cell Carcinoma Cancer2022
- Author(s)
  Daisuke Kawahara, Ikuno Nishibuchi, Masashi Kawamura, Takahito Yoshida, Iemasa Koh, Katsuyuki Tomono, Masaki Sekine, Haruko Takahashi, Yutaka Kikuchi, Yoshiki Kudo, Yasushi Nagata
- Journal Title
  
  Diagnostics
  
  Volume: 12 Issue: 10 Pages: 2346-2346
- DOI
  10.3390/diagnostics12102346
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-21K06123, KAKENHI-PROJECT-22K07748
[Journal Article] Stepwise deep neural network (stepwise-net) for head and neck auto-segmentation on CT images2022
- Author(s)
  Kawahara Daisuke、Tsuneda Masato、Ozawa Shuichi、Okamoto Hiroyuki、Nakamura Mitsuhiro、Nishio Teiji、Saito Akito、Nagata Yasushi
- Journal Title
  
  Computers in Biology and Medicine
  
  Volume: 143 Pages: 105295-105295
- DOI
  10.1016/j.compbiomed.2022.105295
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-21K07565, KAKENHI-PROJECT-20K16727
[Journal Article] Predicting the Local Response of Metastatic Brain Tumor to Gamma Knife Radiosurgery by Radiomics With a Machine Learning Method2021
- Author(s)
  Kawahara Daisuke、Tang Xueyan、Lee Chung K.、Nagata Yasushi、Watanabe Yoichi
- Journal Title
  
  Frontiers in Oncology
  
  Volume: 10 Pages: 569461-569461
- DOI
  10.3389/fonc.2020.569461
- NAID
  120006979721
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K16727
[Journal Article] Image synthesis of monoenergetic CT image in dual‐energy CT using kilovoltage CT with deep convolutional generative adversarial networks2021
- Author(s)
  Kawahara Daisuke、Ozawa Shuichi、Kimura Tomoki、Nagata Yasushi
- Journal Title
  
  Journal of Applied Clinical Medical Physics
  
  Volume: 22 Issue: 4 Pages: 184-192
- DOI
  10.1002/acm2.13190
- NAID
  120007052572
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K16727
[Journal Article] Prediction of radiation pneumonitis after definitive radiotherapy for locally advanced non-small cell lung cancer using multi-region radiomics analysis2021
- Author(s)
  Kawahara Daisuke、Imano Nobuki、Nishioka Riku、Ogawa Kouta、Kimura Tomoki、Nakashima Taku、Iwamoto Hiroshi、Fujitaka Kazunori、Hattori Noboru、Nagata Yasushi
- Journal Title
  
  Scientific Reports
  
  Volume: 11 Issue: 1 Pages: 16232-16232
- DOI
  10.1038/s41598-021-95643-x
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K08519, KAKENHI-PROJECT-20H03624
[Journal Article] Image synthesis with deep convolutional generative adversarial networks for material decomposition in dual-energy CT from a kilovoltage CT2021
- Author(s)
  Kawahara Daisuke、Saito Akito、Ozawa Shuichi、Nagata Yasushi
- Journal Title
  
  Computers in Biology and Medicine
  
  Volume: 128 Pages: 104111-104111
- DOI
  10.1016/j.compbiomed.2020.104111
- NAID
  120007188281
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K16727
[Journal Article] Reduction of margin to compensate the respiratory tumor motion by the analysis of dosimetric internal target volume in lung SBRT with nonuniform volume prescription method2021
- Author(s)
  Masuda H, Kawahara D, Saito A, Kimura T, Ozawa S, Nakashima T, Nagata Y
- Journal Title
  
  Medical Physics
  
  Volume: 48 Issue: 6 Pages: 3200
- DOI
  10.1002/mp.14871
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20H03624
[Journal Article] Potential benefits of volumetric modulated arc therapy to reduce the incidence of >grade 2 radiation pneumonitis in radiotherapy for locally advanced non small cell lung cancer patients2021
- Author(s)
  Imano N, Kimura T, Kawahara D, Nishioka R, Fukumoto W, Kawano R, Kubo K, Katsuta T, Takeuchi Y, Nishibuchi I, Murakami Y, Horimasu Y, Masuda T, Fujitaka K, Hattori N, Nagata Y
- Journal Title
  
  Jpn J Clin Oncol
  
  Volume: 51 Issue: 12 Pages: 1729-1735
- DOI
  10.1093/jjco/hyab163
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20H03624
[Journal Article] Predicting the local response of esophageal squamous cell carcinoma to neoadjuvant chemoradiotherapy by radiomics with a machine learning method using<sup>18</sup>f-fdg pet images2021
- Author(s)
  Murakami Yuji、Kawahara Daisuke、Tani Shigeyuki、Kubo Katsumaro、Katsuta Tsuyoshi、Imano Nobuki、Takeuchi Yuki、Nishibuchi Ikuno、Saito Akito、Nagata Yasushi
- Journal Title
  
  Diagnostics
  
  Volume: 11 Issue: 6 Pages: 1049-1049
- DOI
  10.3390/diagnostics11061049
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-19K08153, KAKENHI-PROJECT-21K07565
[Journal Article] Formulation of objective indices to quantify machine failure risk analysis for interruptions in radiotherapy2020
- Author(s)
  Kawahara Daisuke、Nakano Hisashi、Saito Akito、Ochi Yusuke、Nagata Yasushi
- Journal Title
  
  Journal of Applied Clinical Medical Physics
  
  Volume: 22 Issue: 1 Pages: 165
- DOI
  10.1002/acm2.13126
- NAID
  120006979724
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K17227, KAKENHI-PROJECT-20K16727
[Journal Article] Dose compensation based on biological effectiveness due to interruption time for photon radiation therapy2020
- Author(s)
  Kawahara Daisuke、Nakano Hisashi、Saito Akito、Ozawa Shuichi、Nagata Yasushi
- Journal Title
  
  The British Journal of Radiology
  
  Volume: 93 Issue: 1111 Pages: 0125-0125
- DOI
  10.1259/bjr.20200125
- NAID
  120007125706
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K17227, KAKENHI-PROJECT-20K16727
[Journal Article] Optimization of irradiation interval for fractionated stereotactic radiosurgery by a cellular automata model with reoxygenation effects2020
- Author(s)
  Kawahara Daisuke、Wu Lin、Watanabe Yoichi
- Journal Title
  
  Physics in Medicine & Biology
  
  Volume: 65 Issue: 8 Pages: 085008-085008
- DOI
  10.1088/1361-6560/ab7974
- NAID
  120007026286
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K16727
[Journal Article] Synthesized effective atomic numbers for commercially available dual-energy CT2020
- Author(s)
  Kawahara Daisuke、Ozawa Shuichi、Yokomachi Kazushi、Fujioka Chikako、Kimura Tomoki、Awai Kazuo、Nagata Yasushi
- Journal Title
  
  Reports of Practical Oncology & Radiotherapy
  
  Volume: 25 Issue: 4 Pages: 692-697
- DOI
  10.1016/j.rpor.2020.02.007
- NAID
  120007143514
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K16727
[Journal Article] Evaluation of metal artefact techniques with same contrast scale for different commercially available dual-energy computed tomography scanners2020
- Author(s)
  Kawahara Daisuke、Ozawa Shuichi、Yokomachi Kazushi、Higaki Toru、Shiinoki Takehiro、Fujioka Chikako、Saito Akito、Miki Kentaro、Kimura Tomoki、Murakami Yuji、Awai Kazuo、Nagata Yasushi
- Journal Title
  
  Physical and Engineering Sciences in Medicine
  
  Volume: 43 Issue: 2 Pages: 539
- DOI
  10.1007/s13246-020-00854-7
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K07753, KAKENHI-PROJECT-19K12865, KAKENHI-PROJECT-20K16727
[Journal Article] Assessment of biological dosimetric margin for stereotactic body radiation therapy2020
- Author(s)
  Kawahara Daisuke、Saito Akito、Ozawa Shuichi、Shiinoki Takehiro、Kimura Tomoki、Tsubouchi Kento、Nagata Yasushi
- Journal Title
  
  Journal of Applied Clinical Medical Physics
  
  Volume: 21 Issue: 4 Pages: 31
- DOI
  10.1002/acm2.12843
- NAID
  120006979723
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K07753, KAKENHI-PROJECT-20K16727
[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 Issue: 1 Pages: 50
- DOI
  10.1016/j.rpor.2017.12.004
- 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 Issue: 2 Pages: 211
- DOI
  10.1002/acm2.12282
- 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
- DOI
  10.1016/j.ejmp.2018.01.018
- 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: 91 Issue: 1090 Pages: 1090-1090
- DOI
  10.1259/bjr.20180396
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16K19231
[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 Issue: 1 Pages: 271
- DOI
  10.1002/acm2.12226
- 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 technique2017
- 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] Dosimetric impact of Lipiodol in stereotactic body radiation therapy on liver after trans-arterial chemoembolization:2017
- Author(s)
  Kawahara D, Ozawa S, Saito A, Nishio T, et al.
- Journal Title
  
  Medical Physics
  
  Volume: 44 Issue: 1 Pages: 342
- DOI
  10.1002/mp.12028
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16K19231
[Presentation] Lipiodol-enhanced radiotherapy (LiPERT) for liver cancer patients2023
- Author(s)
  Daisuke Kawahara
- Organizer
  22nd Asia-Oceania Congress on Medical Physic
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K16727
[Presentation] A nomogram based on pretreatment radiomics and dosiomics features for predicting overall survival for esophageal squamous cell cancer: Multi-Institutional study.2023
- Author(s)
  Kawahara D, Nishioka R, Murakami Y, Emoto Y, Iwashita K, Kubota H, Sasaki R, Nagata Y
- Organizer
  American Society for Therapeutic Radiology and Oncology 65th the Annual Meeting (ASTRO 2023)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K07748
[Presentation] Artificial Intelligence-based diagnosis of the depth of laryngopharyngeal cancer2023
- Author(s)
  Kouhei Yumii, Tsutomu Ueda, Daishuke Kawahara, Nobuyuki Chikuie,Takayuki Taruya, Takashi Kono,Takao Hamamoto,Takashi Ishino, Sachio Takeno
- Organizer
  BACO International 2023
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K09713
[Presentation] A simulation study on the radiation-induced immune-response of tumor after radiosurgery using an improved cellular automata model2023
- Author(s)
  Daisuke Kawahara, Nobuki Imano, Ikuno Nishibuchi, Yuji Murakami
- Organizer
  AAPM 65th Annual Meeting & Exhibition
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K16727
[Presentation] Artificial Intelligence in Radiation Oncology/Medical Physics2023
- Author(s)
  Daisuke Kawahara
- Organizer
  FARO&KOSRO 2023
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K16727
[Presentation] Lipiodol-enhanced radiotherapy (LiPERT) for liver cancer patients2023
- Author(s)
  Daisuke Kawahara, Nobuki Imano, Ikuno Nishibuchi, Yuji Murakami
- Organizer
  第125回日本医学物理学会学術大会
- Data Source
  KAKENHI-PROJECT-20K16727
[Presentation] A promising new targeted radiotherapy: Lipiodol-enhanced kV-radiotherapy (LiPERT) for liver cancer patients2023
- Author(s)
  Daisuke Kawahara, Nobuki Imano, Ikuno Nishibuchi, Yuji Murakami
- Organizer
  AAPM 65th Annual Meeting & Exhibition
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K16727
[Presentation] 造影下低エネルギーX線照射による新規放射線増感治療法（LiPERT）の開発に向けて2023
- Author(s)
  河原大輔、小澤修一、斎藤明登、西淵いくの、村上祐司、永田靖
- Organizer
  第125回日本医学物理学会
- Data Source
  KAKENHI-PROJECT-20K16727
[Presentation] A study of the Effects of Vascular Damage On Tumor Volume After Hypo-Fraction Radiotherapy by Using a Cellular Automata model2020
- Author(s)
  Daisuke Kawahara, Yasushi Nagata, Yoichi Watanabe
- Organizer
  Joint AAPM/COMP Meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K16727
[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] 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] 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] 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] 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
- 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] 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] 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] 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. Murakami Yuji (10403528)

# of Collaborated Projects: 3 results

# of Collaborated Products: 1 results
2. 西淵いくの (70595834)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
3. 今野伸樹 (40815320)

# of Collaborated Projects: 2 results

# of Collaborated Products: 1 results
4. 日向信之 (10598816)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
5. Ueda Tsutomu (70522928)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
6. Kimura Tomoki (90379876)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
7. 三木健太朗 (90732818)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
8. 樽谷貴之 (10569007)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
9. 卜部祐司 (10648033)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
10. 竹野幸夫 (50243556)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
11. 神宮啓一 (00451592)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
12. 角谷倫之 (20604961)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
13. 中島祐二朗 (20799530)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
14. 伊藤慶 (30771703)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
15. 永田靖 (10228033)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
16. 日置一成 (60761989)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
17. 唐澤克之 (80177617)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
18. 小西勝 (60537447)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
19. 岩根亨輔 (90811183)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
20. 池田健一郎 (50624863)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
21. 小畠浩平 (10749998)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
22. 後藤景介 (30784251)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
23. 恒田雅人 (60800753)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
24. 小金澤明登 (20528062)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
25. 横田元 (20649280)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
26. 宇野隆 (30302540)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
27. 森康久仁 (40361414)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
28. 小口正彦 (50169257)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
29. 根本未歩 (50568665)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
30. TANAKA Sodai

# of Collaborated Projects: 1 results

# of Collaborated Products: 6 results
31. MIYAWAKI Daisuke

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
32. 長田雅昭

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
33. 佐々木良平

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
34. 菊池裕

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
35. 高橋治子

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
36. 中島拓

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
37. 竹野幸男

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results

Kawahara Daisuke 河原 大輔

Research Projects

Research Products

Co-Researchers

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Visualization in prognostic prediction of medical AI and the construction of optimal radiation therapy simulationPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Quantification of radiation exposure through low-energy X-ray irradiation under contrast imaging and assessment of feasibility for novel radiotherapy approachesPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

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] Prognostic Value of Radiomics Analysis of Skeletal Muscle After Radical Irradiation of Esophageal Cancer2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Dose uncertainty due to energy dependence in dual-energy computed tomography2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Radiomic Analysis for Pretreatment Prediction of Recurrence Post-Radiotherapy in Cervical Squamous Cell Carcinoma Cancer2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Stepwise deep neural network (stepwise-net) for head and neck auto-segmentation on CT images2022

Author(s)

Journal Title

Kawahara Daisuke 河原大輔