Basic Information

Professional Memberships

• From Jan. 2024, To Present

  The Japanese College of Medical Physics
• From Dec. 2018, To Present

  日本メディカルAI学会
• From Jun. 2014, To Present

  Japan Society of Medical Physics
• From Nov. 2013, To Present

  Japanese Society for Radiation Oncology
• From May 2013, To Present

  Japanese Society of Radiological Technology
• From Apr. 2020, To Present

  日本医用画像工学会

Academic Degree

• 25 Mar. 2015

  修士（保健学）(九州大学)
• 25 Mar. 2019

  博士（医学）(京都大学)

Academic Resume (Graduate Schools)

• 九州大学, 大学院医学系学府保健学専攻修士課程, 修了

Academic Resume (Undergraduate School/Majors)

• 広島国際大学, 保健医療学部診療放射線学科, 卒業

High School

• High School

  福岡県立八女高等学校

Research History

• From Apr. 2020, To Present

  Kyoto University, 放射線治療科, 特定助教
• From Apr. 2019, To Mar. 2020

  特別研究員(PD), 京都大学大学院医学研究科, 放射線腫瘍学・画像応用治療学

Language of Instruction

• Japanese
• English

ID,URL

• ORCID ID

  0000-0003-1548-1970

• J-Global ID

  202001016917585652

• Researcher number

  10848229

researchmap URL

• https://researchmap.jp/hhirashima

Research

Research Interests

• Artificial Intelligence
• 医用画像処理
• 医学物理学
• 放射線物理学

Research Areas

• Energy, Quantum beam science
• Life sciences, Radiology

Papers

• First clinical implementation of dynamic tumor-tracking volumetric modulated arc therapy with a gimbal-mounted linac: short delivery time and high precision

  Noriko Kishi; Mitsuhiro Nakamura; Hideaki Hirashima; Takanori Adachi; Masahiro Yoneyama; Kohei Kawata; Yukako Kishigami; Takashi Ogata; Takashi Murakami; Yusuke Iizuka; Hiroshi Seno; Takashi Mizowaki

  Journal of Radiation Research, 06 Mar. 2026

  
• 脊椎転移に対して可変軌道を用いた体幹部定位放射線治療の長期治療成績および有害事象

  上田 哲; 相澤 理人; 小野 幸果; 飯塚 裕介; 中村 清直; 椋本 宜学; 平島 英明; 中村 光宏; 溝脇 尚志

  日本癌治療学会学術集会抄録集, Oct. 2024

  
• Computed Tomography-Based Radiomics Prediction of Biochemical Failure and Distant Metastasis in Patients With High- and Very High-Risk Localized Prostate Cancer.

  Takanori Adachi; Kota Hirata; Rihito Aizawa; Hideaki Hirashima; Takashi Ogata; Mitsuhiro Nakamura; Takashi Mizowaki

  Advances in radiation oncology, Dec. 2025

  
• A comparison of sensitivity and specificity of dosimetry audits for intensity modulated radiation therapy used internationally for clinical trial credentialing

  Fre’Etta Brooks; Joerg Lehmann; Mohammad Hussein; Jessica Lye; Christopher L. Nelson; Mitsuhiro Nakamura; Patricia Diez; Rushil Patel; Peter Greer; Hideaki Hirashima; Julianne M. Pollard Larkin; Rebecca M. Howell; Christine B. Peterson; Catharine H. Clark; Stephen F. Kry

  Radiotherapy and Oncology, Feb. 2026

  
• [Evaluation of the Intra-fractional Motion in Stereotactic Body Radiation Therapy for Metastatic Spinal Tumors].

  Teruyo Sugiura; Norimasa Matsushita; Makoto Sasaki; Takahiro Fujimoto; Manabu Nakata; Hideaki Hirashima; Rihito Aizawa; Takashi Mizowaki

  Nihon Hoshasen Gijutsu Gakkai zasshi, 2026, Peer-reviewed

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• Stereotactic Body Radiation Therapy for Spinal Metastasis Using Biaxially Rotational Dynamic Radiation Therapy (BROAD-RT).

  Akira Ueta; Rihito Aizawa; Yuka Ono; Yusuke Iizuka; Kiyonao Nakamura; Nobutaka Mukumoto; Hideaki Hirashima; Mitsuhiro Nakamura; Takashi Mizowaki

  Anticancer research, Jan. 2026, Peer-reviewed

  
• Influence of applicator models on dose distribution in gynecologic high-dose-rate brachytherapy.

  Yukako Kishigami; Tomohiro Ono; Norimasa Matsushita; Hideaki Hirashima; Hiraku Iramina; Takanori Adachi; Aya Nakajima; Hidenobu Tachibana; Takashi Mizowaki; Mitsuhiro Nakamura

  Radiological physics and technology, 04 Dec. 2025

  
• Diffusion Model-Based Displacement Field Generation for 4D-CT Chest Image Generation.

  Miki Kanamuro; Hideaki Hirashima; Mitsuhiro Nakamura; Megumi Nakao

  Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference, Jul. 2025

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• A prospective study using a spirometry-based system on the positional reproducibility of anatomical landmarks and tumour-tracking accuracy

  Noriko Kishi; Yukinori Matsuo; Mitsuhiro Nakamura; Tomohiro Ono; Nobutaka Mukumoto; Hiraku Iramina; Yuta Sakurai; Norimasa Matsushita; Yusuke Tsuruta; Hideaki Hirashima; Makoto Sasaki; Takahiro Fujimoto; Yusuke Iizuka; Michio Yoshimura; Takashi Mizowaki

  Radiotherapy and Oncology, Jan. 2026, Peer-reviewed

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• Performance evaluation of a second‐generation O‐ring‐shaped image‐guided radiotherapy system with a gimbal‐mounted linear accelerator and real‐time tracking capabilities

  Kohei Kawata; Yukako Kishigami; Hideaki Hirashima; Yohei Sawada; Maika Urago; Takahiro Fujimoto; Tetsuo Fukuda; Takashi Mizowaki; Mitsuhiro Nakamura

  Journal of Applied Clinical Medical Physics, Nov. 2025, Peer-reviewed

  
• A multi-institutional dummy run on segmentation variability and plan quality of stereotactic body radiotherapy for oligometastatic disease

  Hideaki Hirashima; Yukinori Matsuo; Satoshi Ishikura; Mitsuhiro Nakamura; Ikuno Nishibuchi; Daisuke Kawahara; Yoshihisa Shimada; Yoshiro Nakahara; Teiji Nishio; Naoto Shikama; Shun-ichi Watanabe; Isamu Okamoto; Toshiyuki Ishiba; Fumikata Hara; Tadahiko Shien; Takashi Mizowaki

  Physics and Imaging in Radiation Oncology, Oct. 2025, Peer-reviewed, Lead author

  
• Online adaptive radiation therapy for muscle-invasive bladder cancer: short-course and high-precision definitive treatment for elderly or medically fragile patients.

  Peter J K Tokuda; Rihito Aizawa; Hiraku Iramina; Takahsi Ogata; Hideaki Hirashima; Yuki Kita; Takayuki Sumiyoshi; Takashi Kobayashi; Takashi Mizowaki

  Japanese journal of radiology, 10 Oct. 2025, Peer-reviewed

  
• Dosimetric performance of cone beam CT-guided adaptive carbon-ion radiotherapy with daily replanning for pancreatic cancer

  Lukas Fabrizio Klassen; Hideaki Hirashima; Hiraku Iramina; Takahiro Iwai; Michio Yoshimura; Hiroki Tanaka; Takashi Mizowaki; Mitsuhiro Nakamura

  Physica Medica, Jun. 2025, Peer-reviewed

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• Integration test of biaxially rotational dynamic-radiation therapy for nasopharyngeal carcinoma: Efficacy evaluation and dosimetric analysis

  Shinya Hiraoka; Hideaki Hirashima; Mitsuhiro Nakamura; Fumiya Tanaka; Hiroki Adachi; Yuka Ono; Tomohiro Ono; Ryota Nakashima; Aya Nakajima; Takashi Mizowaki

  Radiotherapy and Oncology, Jun. 2025, Peer-reviewed

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• Margins to compensate for respiratory-induced mismatches between lung tumor and fiducial marker positions using four-dimensional computed tomography

  Seiya Matsumoto; Nobutaka Mukumoto; Tomohiro Ono; Hiraku Iramina; Hideaki Hirashima; Takanori Adachi; Yuki Miyabe; Noriko Kishi; Takashi Mizowaki; Mitsuhiro Nakamura

  Physics and Imaging in Radiation Oncology, Jan. 2025, Peer-reviewed

  
• Patient‐ and fraction‐specific magnetic resonance volume reconstruction from orthogonal images with generative adversarial networks

  Hideaki Hirashima; Dejun Zhou; Nobutaka Mukumoto; Haruo Inokuchi; Nobunari Hamaura; Mutsumi Yamagishi; Mai Sakagami; Naoki Mukumoto; Mitsuhiro Nakamura; Keiko Shibuya

  Medical Physics, 04 Feb. 2025, Peer-reviewed, Lead author

  
• Determination of patient-specific trajectory for biaxially rotational dynamic-radiation therapy using a new O-ring-shaped image guided radiotherapy system

  Hideaki Hirashima; Hiroki Adachi; Tomohiro Ono; Mitsuhiro Nakamura; Yuka Ono; Takahiro Iwai; Michio Yoshimura; Takashi Mizowaki

  Physics and Imaging in Radiation Oncology, Jan. 2025, Peer-reviewed, Lead author

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• Impact of diaphragm motion on dosimetry in lower thoracic spine stereotactic body radiotherapy

  Kohei Kawata; Hideaki Hirashima; Manabu Nakata; Takahiro Fujimoto; Rihito Aizawa; Takashi Mizowaki

  Physica Medica, Jan. 2025, Peer-reviewed, Corresponding author

  
• EP-1553: Dose reduction of femoral heads using volumetric-modulated Dynamic WaveArc for prostate cancer

  K. Nakamura; T. Mizowaki; M. Uto; N. Mukumoto; Y. Miyabe; T. Ono; H. Hirashima; K. Yokota; H. Hiraoka

  Radiotherapy and Oncology, May 2017

  
• Definitive chemoradiotherapy for a patient with anal cancer after renal transplantation.

  Takeshi Kashiwagi; Katsuyuki Sakanaka; Hiroyuki Inoo; Hideaki Hirashima; Kota Fujii; Takashi Mizowaki

  International cancer conference journal, Jul. 2024

  
• Unifying gamma passing rates in patient-specific QA for VMAT lung cancer treatment based on data assimilation.

  Tomohiro Ono; Takanori Adachi; Hideaki Hirashima; Hiraku Iramina; Noriko Kishi; Yukinori Matsuo; Mitsuhiro Nakamura; Takashi Mizowaki

  Physical and engineering sciences in medicine, 20 Jun. 2024, Peer-reviewed

  
• Intraoperative Radiation Exposure from O-arm-based 3D Navigation in Spine Surgery

  Kazuya Yokota; Osamu Kawano; Hiroaki Sakai; Yuichiro Morishita; Muneaki Masuda; Tetsuo Hayashi; Kensuke Kubota; Hideaki Hirashima; Ryota Nakashima; Yasuharu Nakashima; Takeshi Maeda

  Spine Surgery and Related Research, 27 Nov. 2023, Peer-reviewed

  
• Applications of artificial intelligence for machine- and patient-specific quality assurance in radiation therapy: current status and future directions.

  Tomohiro Ono; Hiraku Iramina; Hideaki Hirashima; Takanori Adachi; Mitsuhiro Nakamura; Takashi Mizowaki

  Journal of radiation research, 27 May 2024, Peer-reviewed

  
• Protocol of a phase II study to evaluate the efficacy and safety of deep-inspiration breath-hold daily online adaptive radiotherapy for centrally located lung tumours (PUDDING study).

  Noriko Kishi; Masahiro Yoneyama; Hiroyuki Inoo; Minoru Inoue; Hiraku Iramina; Akiyoshi Nakakura; Tomohiro Ono; Hideaki Hirashima; Takanori Adachi; Norimasa Matsushita; Makoto Sasaki; Takahiro Fujimoto; Mitsuhiro Nakamura; Yukinori Matsuo; Takashi Mizowaki

  Radiation oncology (London, England), 08 Mar. 2024, Peer-reviewed

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• Influence of dose calculation algorithms on the helical diode array using volumetric‐modulated arc therapy for small targets

  Tomohiro Ono; Hideaki Hirashima; Takanori Adachi; Hiraku Iramina; Takahiro Fujimoto; Megumi Uto; Mitsuhiro Nakamura; Takashi Mizowaki

  Journal of Applied Clinical Medical Physics, Jul. 2024, Peer-reviewed

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• Applicability evaluation of the TRS-483 protocol for the determination of small-field output factors using different multi-leaf collimator and field-shaping types

  Kohei Kawata; Hideaki Hirashima; Yusuke Tsuruta; Makoto Sasaki; Norimasa Matsushita; Takahiro Fujimoto; Mitsuhiro Nakamura; Manabu Nakata

  Physica Medica, Sep. 2023, Peer-reviewed, Corresponding author

  
• Dosimetric verification of four dose calculation algorithms for spine stereotactic body radiotherapy

  Hideaki Hirashima; Mitsuhiro Nakamura; Kiyonao Nakamura; Yukinori Matsuo; Takashi Mizowaki

  Journal of Radiation Research, 22 Nov. 2023, Peer-reviewed, Lead author

  
• [JSMP Executive Committee Program: Medical Physics Roundtable for Young Researchers].

  Sodai Tanaka; Hiraku Iramina; Masashi Kinjo; Masato Tsuneda; Hideaki Hirashima; Koki Kasamatsu; Tomohiro Ohta; Shuta Ogawa; Masaki Kato; Madoka Sakai

  Igaku butsuri : Nihon Igaku Butsuri Gakkai kikanshi = Japanese journal of medical physics : an official journal of Japan Society of Medical Physics, 2023, Invited

  
• 妊娠中に診断された局所進行頸部食道癌に対して根治化学放射線治療を施行した一例(A Case of Chemoradiotherapy for Pregnant Woman with Locally Advanced Cervical Esophageal Cancer)

  Tateishi Yudai; Sakanaka Katsuyuki; Hirashima Hideaki; Mukumoto Nobutaka; Inoo Hiroyuki; Fujii Kota; Mizowaki Takashi

  日本医学放射線学会学術集会抄録集, Mar. 2022

  
• Dosimetric Comparison between Dynamic Wave Arc and Co-Planar Volumetric Modulated Radiotherapy for Locally Advanced Pancreatic Cancer

  Alshaymaa Abdelghaffar; Noriko Kishi; Ryo Ashida; Yukinori Matsuo; Hideaki Hirashima; Nobutaka Mukumoto; Michio Yoshimura; Mitsuhiro Nakamura; Ahmed El Sayed Mohamed; Elsayed Mostafa; Mohamed Soliman Gaber; Takashi Mizowaki

  Iranian Journal of Medical Physics, 2022, Peer-reviewed

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• Evaluation of generalization ability for deep learning‐based auto‐segmentation accuracy in limited field of view CBCT of male pelvic region

  Hideaki Hirashima; Mitsuhiro Nakamura; Keiho Imanishi; Megumi Nakao; Takashi Mizowaki

  Journal of Applied Clinical Medical Physics, 19 Jan. 2023, Peer-reviewed, Lead author

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• Improving Prognostic Prediction for Lung Cancer Patients Who Underwent SBRT Using Breath- Hold Diagnostic CT-Based Image Features: A Retrospective Single Institutional Study

  Kakino, R.; Nakamura, M.; Mitsuyoshi, T.; Shintani, T.; Hirashima, H.; Matsuo, Y.; Mizowaki, T.

  Medical Physics, 2019, Peer-reviewed

  
• Clinical validation of knowledge-based planning for multiple brain metastases

  Kishi, N.; Nakamura, M.; Hirashima, H.; Mukumoto, N.; Takehana, K.; Uto, M.; Matsuo, Y.; Mizowaki, T.

  Radiotherapy and Oncology, 2019, Peer-reviewed

  
• Effect of angular dependence for small-field dosimetry using seven different detectors.

  Kohei Kawata; Tomohiro Ono; Hideaki Hirashima; Yusuke Tsuruta; Takahiro Fujimoto; Mitsuhiro Nakamura; Manabu Nakata

  Medical physics, 30 Dec. 2022, Peer-reviewed

  
• [Introduction of Young Researchers' Association of Medical Physics and Questionnaire Survey on Medical Physics Education and Medical Physics Training System in Japan for Young Researchers in 2021].

  Hiraku Iramina; Masashi Kinjo; Sodai Tanaka; Masato Tsuneda; Hideaki Hirashima

  Igaku butsuri : Nihon Igaku Butsuri Gakkai kikanshi = Japanese journal of medical physics : an official journal of Japan Society of Medical Physics, 2022

  
• Development of independent dose verification plugin using Eclipse scripting API for brachytherapy.

  Dejun Zhou; Mitsuhiro Nakamura; Yohei Sawada; Tomohiro Ono; Hideaki Hirashima; Hiraku Iramina; Takanori Adachi; Takahiro Fujimoto; Takashi Mizowaki

  Journal of radiation research, 09 Oct. 2022, Peer-reviewed

  
• A case of a pregnant woman with locally advanced cervical esophageal cancer treated with definitive chemoradiotherapy.

  Yudai Tateishi; Katsuyuki Sakanaka; Hideaki Hirashima; Nobutaka Mukumoto; Hiroyuki Inoo; Kota Fujii; Tomohiro Ono; Mitsuhiro Nakamura; Manabu Nakata; Kaoru Kawasaki; Hirohiko Tani; Masaki Mandai; Takashi Mizowaki

  International cancer conference journal, Oct. 2022, Peer-reviewed

  
• Multi-Institutional Study of End-to-End Dose Delivery Quality Assurance Testing for Image-Guided Brachytherapy Using a Gel Dosimeter

  Hidenobu Tachibana; Yusuke Watanabe; Shogo Kurokawa; Takuya Maeyama; Tomoyuki Hiroki; Hideaki Ikoma; Hideaki Hirashima; Hironori Kojima; Takehiro Shiinoki; Yuuki Tanimoto; Hidetoshi Shimizu; Hiroki Shishido; Yoshitaka Oka; Taka-aki Hirose; Masashi Kinjo; Takuya Morozumi; Masahiko Kurooka; Hidekazu Suzuki; Tomohiko Saito; Keiichi Fujita; Ryosuke Shirata; Ryuji Inada; Ryuichi Yada; Mikiko Yamashita; Kazuto Kondo; Takashi Hanada; Tadashi Takenaka; Keisuke Usui; Hiroyuki Okamoto; Hiroshi Asakura; Ryoichi Notake; Toru Kojima; Yu Kumazaki; Shogo Hatanaka; Riki Kikumura; Masaru Nakajima; Ryosei Nakada; Ryusuke Suzuki; Hideyuki Mizuno; Shinji Kawamura; Mistuhiro Nakamura; Tetsuo Akimoto

  Brachytherapy, Jul. 2022, Peer-reviewed

  
• Evaluation of correlation between intrafractional residual setup errors and accumulation of delivered dose distributions in single isocenter volumetric modulated arc therapy for multiple brain metastases.

  Yusuke Tsuruta; Mitsuhiro Nakamura; Manabu Nakata; Hideaki Hirashima; Dejun Zhou; Megumi Uto; Keiichi Takehana; Takahiro Fujimoto; Takashi Mizowaki

  Physica medica : PM : an international journal devoted to the applications of physics to medicine and biology : official journal of the Italian Association of Biomedical Physics (AIFB), 28 Apr. 2022

  
• Dosiomic feature comparison between dose-calculation algorithms used for lung stereotactic body radiation therapy.

  Takanori Adachi; Mitsuhiro Nakamura; Ryo Kakino; Hideaki Hirashima; Hiraku Iramina; Yusuke Tsuruta; Tomohiro Ono; Nobutaka Mukumoto; Yuki Miyabe; Yukinori Matsuo; Takashi Mizowaki

  Radiological physics and technology, 24 Jan. 2022, Peer-reviewed

  
• Development of in-house fully residual deep convolutional neural network-based segmentation software for the male pelvic CT

  Hideaki Hirashima; Mitsuhiro Nakamura; Pascal Baillehache; Yusuke Fujimoto; Shota Nakagawa; Yusuke Saruya; Tatsumasa Kabasawa; Takashi Mizowaki

  Radiation Oncology, Dec. 2021, Peer-reviewed, Lead author

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• Chemoradiotherapy for fistula-related perianal squamous cell carcinoma with Crohn’s disease

  Katsuyuki Sakanaka; Kota Fujii; Hideaki Hirashima; Nobutaka Mukumoto; Hiroyuki Inoo; Ryo Narukami; Yoshiharu Sakai; Takashi Mizowaki

  International Cancer Conference Journal, 30 Jun. 2021, Peer-reviewed

  
• Reducing variability among treatment machines using knowledge-based planning for head and neck, pancreatic, and rectal cancer.

  Hideaki Hirashima; Mitsuhiro Nakamura; Nobutaka Mukumoto; Ryo Ashida; Kota Fujii; Kiyonao Nakamura; Aya Nakajima; Katsuyuki Sakanaka; Michio Yoshimura; Takashi Mizowaki

  Journal of applied clinical medical physics, 20 Jun. 2021, Peer-reviewed, Lead author, Corresponding author

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• Geometric and dosimetric impact of 3D generative adversarial network-based metal artifact reduction algorithm on VMAT and IMPT for the head and neck region.

  Mitsuhiro Nakamura; Megumi Nakao; Keiho Imanishi; Hideaki Hirashima; Yusuke Tsuruta

  Radiation oncology (London, England), 06 Jun. 2021, Peer-reviewed

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• Statistical shape model-based planning organ-at-risk volume: application to pancreatic cancer patients.

  Mitsuhiro Nakamura; Megumi Nakao; Nobutaka Mukumoto; Ryo Ashida; Hideaki Hirashima; Michio Yoshimura; Takashi Mizowaki

  Physics in medicine and biology, 14 Jan. 2021, Peer-reviewed

  
• Evaluation of intrafractional head motion for intracranial stereotactic radiosurgery with a thermoplastic frameless mask and ceiling-floor-mounted image guidance device.

  Yusuke Tsuruta; Manabu Nakata; Mitsuhiro Nakamura; Megumi Uto; Keiichi Takehana; Hideaki Hirashima; Takahiro Fujimoto; Takashi Mizowaki

  Physica medica : PM : an international journal devoted to the applications of physics to medicine and biology : official journal of the Italian Association of Biomedical Physics (AIFB), Jan. 2021, Peer-reviewed

  
• Validation of the clinical applicability of knowledge-based planning models in single-isocenter volumetric-modulated arc therapy for multiple brain metastases.

  Noriko Kishi; Mitsuhiro Nakamura; Hideaki Hirashima; Nobutaka Mukumoto; Keiichi Takehana; Megumi Uto; Yukinori Matsuo; Takashi Mizowaki

  Journal of applied clinical medical physics, Oct. 2020, Peer-reviewed

  
• Improvement of prediction and classification performance for gamma passing rate by using plan complexity and dosiomics features.

  Hideaki Hirashima; Tomohiro Ono; Mitsuhiro Nakamura; Yuki Miyabe; Nobutaka Mukumoto; Hiraku Iramina; Takashi Mizowaki

  Radiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology, 23 Jul. 2020, Peer-reviewed, Lead author

  
• Application and limitation of radiomics approach to prognostic prediction for lung stereotactic body radiotherapy using breath-hold CT images with random survival forest: A multi-institutional study.

  Ryo Kakino; Mitsuhiro Nakamura; Takamasa Mitsuyoshi; Takashi Shintani; Masaki Kokubo; Yoshiharu Negoro; Masato Fushiki; Masakazu Ogura; Satoshi Itasaka; Chikako Yamauchi; Shuji Otsu; Takashi Sakamoto; Masato Sakamoto; Norio Araki; Hideaki Hirashima; Takanori Adachi; Yukinori Matsuo; Takashi Mizowaki

  Medical physics, 09 Jul. 2020, Peer-reviewed

  
• Radiotherapy planning techniques to reduce lung irradiation in head and neck cancer patients with mediastinal involvement.

  Mitsue Kawamura; Michio Yoshimura; Mitsuhiro Nakamura; Yoshitomo Ishihara; Nobutaka Mukumoto; Hideaki Hirashima; Hiraku Iramina; Masahiro Hiraoka; Takashi Mizowaki

  Radiological physics and technology, Jun. 2020, Peer-reviewed

  
• Independent calculation-based verification of volumetric-modulated arc therapy-stereotactic body radiotherapy plans for lung cancer.

  Tomohiro Ono; Takamasa Mitsuyoshi; Takashi Shintani; Yusuke Tsuruta; Hiraku Iramina; Hideaki Hirashima; Yuki Miyabe; Mitsuhiro Nakamura; Yukinori Matsuo; Takashi Mizowaki

  Journal of applied clinical medical physics, 11 May 2020, Peer-reviewed

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• Quantification and correction of the scattered X-rays from a megavoltage photon beam to a linac-mounted kilovoltage imaging subsystem.

  Hiraku Iramina; Mitsuhiro Nakamura; Yuki Miyabe; Nobutaka Mukumoto; Tomohiro Ono; Hideaki Hirashima; Takashi Mizowaki

  BJR open, 2020, Peer-reviewed

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• Comparison of radiomic features in diagnostic CT images with and without contrast enhancement in the delayed phase for NSCLC patients.

  Ryo Kakino; Mitsuhiro Nakamura; Takamasa Mitsuyoshi; Takashi Shintani; Hideaki Hirashima; Yukinori Matsuo; Takashi Mizowaki

  Physica medica : PM : an international journal devoted to the applications of physics to medicine and biology : official journal of the Italian Association of Biomedical Physics (AIFB), Jan. 2020, Peer-reviewed

  
• Performance evaluation of a newly developed three-dimensional model-based global-to-local registration in prostate cancer.

  Mitsuhiro Nakamura; Megumi Nakao; Hideaki Hirashima; Hiraku Iramina; Takashi Mizowaki

  Journal of radiation research, 23 Oct. 2019, Peer-reviewed

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• Prediction of dosimetric accuracy for VMAT plans using plan complexity parameters via machine learning.

  Tomohiro Ono; Hideaki Hirashima; Hiraku Iramina; Nobutaka Mukumoto; Yuki Miyabe; Mitsuhiro Nakamura; Takashi Mizowaki

  Medical physics, Sep. 2019, Peer-reviewed

  
• Single-isocenter volumetric-modulated Dynamic WaveArc therapy for two brain metastases.

  Megumi Uto; Kengo Ogura; Nobutaka Mukumoto; Yuki Miyabe; Mitsuhiro Nakamura; Hideaki Hirashima; Tomohiro Katagiri; Keiichi Takehana; Masahiro Hiraoka; Takashi Mizowaki

  Japanese journal of radiology, Aug. 2019, Peer-reviewed

  
• Accumulation of the delivered treatment dose in volumetric modulated arc therapy with breath-hold for pancreatic cancer patients based on daily cone beam computed tomography images with limited field-of-view.

  Marc Ziegler; Mitsuhiro Nakamura; Hideaki Hirashima; Ryo Ashida; Michio Yoshimura; Christoph Bert; Takashi Mizowaki

  Medical physics, Jul. 2019, Peer-reviewed

  
• Quality assurance of non-coplanar, volumetric-modulated arc therapy employing a C-arm linear accelerator, featuring continuous patient couch rotation.

  Hideaki Hirashima; Mitsuhiro Nakamura; Yuki Miyabe; Nobutaka Mukumoto; Tomohiro Ono; Hiraku Iramina; Takashi Mizowaki

  Radiation oncology (London, England), 11 Apr. 2019, Peer-reviewed, Lead author

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• [Department of Radiation Oncology and Image-Applied Therapy at Kyoto University Hospital].

  Yuki Miyabe; Nobutaka Mukumoto; Tomohiro Ono; Hiraku Iramina; Hideaki Hirashima; Mitsuhiro Nakamura

  Igaku butsuri : Nihon Igaku Butsuri Gakkai kikanshi = Japanese journal of medical physics : an official journal of Japan Society of Medical Physics, 2019, Peer-reviewed

  
• Quality assurance of geometric accuracy based on an electronic portal imaging device and log data analysis for Dynamic WaveArc irradiation.

  Hideaki Hirashima; Yuki Miyabe; Mitsuhiro Nakamura; Nobutaka Mukumoto; Takashi Mizowaki; Masahiro Hiraoka

  Journal of applied clinical medical physics, May 2018, Peer-reviewed, Lead author

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• Possibility of chest wall dose reduction using volumetric-modulated arc therapy (VMAT) in radiation-induced rib fracture cases: comparison with stereotactic body radiation therapy (SBRT).

  Yu Murakami; Masahiro Nakano; Masahiro Yoshida; Hideaki Hirashima; Fumiya Nakamura; Junichi Fukunaga; Taka-Aki Hirose; Yasuo Yoshioka; Masahiko Oguchi; Hideki Hirata

  Journal of radiation research, 01 May 2018, Peer-reviewed

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• Dosimetric advantages afforded by a new irradiation technique, Dynamic WaveArc, used for accelerated partial breast irradiation.

  Yuka Ono; Michio Yoshimura; Kimiko Hirata; Tomohiro Ono; Hideaki Hirashima; Nobutaka Mukumoto; Mitsuhiro Nakamura; Minoru Inoue; Masahiro Hiraoka; Takashi Mizowaki

  Physica medica : PM : an international journal devoted to the applications of physics to medicine and biology : official journal of the Italian Association of Biomedical Physics (AIFB), Apr. 2018, Peer-reviewed

  
• 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 simulation.

  Mitsuhiro Nakamura; Yoshitomo Ishihara; Yukinori Matsuo; Yusuke Iizuka; Nami Ueki; Hiraku Iramina; Hideaki Hirashima; Takashi Mizowaki

  Journal of radiation research, 01 Mar. 2018, Peer-reviewed

  
• Monitoring of mechanical errors and their dosimetric impact throughout the course of non-coplanar continuous volumetric-modulated arc therapy.

  Hideaki Hirashima; Mitsuhiro Nakamura; Yuki Miyabe; Megumi Uto; Kiyonao Nakamura; Takashi Mizowaki

  Radiation oncology (London, England), 14 Feb. 2018, Peer-reviewed, Lead author

  
• Comparison of Gamma Pass Rate between the Dose-to-Water and Dose-to-Medium Reporting Modes for Patient-Specific QA Using a Helical Diode Array Dosimeter with a Fixed Phantom Density

  Hideaki Hirashima; Mitsuhiro Nakamura; Yoshitomo Ishihara; Nobutaka Mukumoto; Mami Akimoto; Tsuneyuki Tomita; Yoshinori Hirose; Kenji Kitsuda; Takashi Ishigaki; Takashi Mizowaki

  International Journal of Medical Physics, Clinical Engineering and Radiation Oncology, Feb. 2018, Peer-reviewed, Lead author

  
• Volumetric modulated Dynamic WaveArc therapy reduces the dose to the hippocampus in patients with pituitary adenomas and craniopharyngiomas

  Megumi Uto; Takashi Mizowaki; Kengo Ogura; Yuki Miyabe; Mitsuhiro Nakamura; Nobutaka Mukumoto; Hideaki Hirashima; Masahiro Hiraoka

  Practical Radiation Oncology, Dec. 2017, Peer-reviewed

  
• Geometric and dosimetric quality assurance using logfiles and a 3D helical diode detector for Dynamic WaveArc.

  Hideaki Hirashima; Mitsuhiro Nakamura; Yuki Miyabe; Nobutaka Mukumoto; Megumi Uto; Kiyonao Nakamura; Takashi Mizowaki; Masahiro Hiraoka

  Physica medica : PM : an international journal devoted to the applications of physics to medicine and biology : official journal of the Italian Association of Biomedical Physics (AIFB), Nov. 2017, Peer-reviewed, Lead author

  
• [Effect of prostate matching on dose distribution by on board imager kV-CBCT image].

  Hideaki Hirashima; Yoshiyuki Umezu; Junichi Fukunaga; Takaaki Hirose; Hironori Nagata; Issai Mohri; Katsumasa Nakamura; Hideki Hirata

  Nihon Hoshasen Gijutsu Gakkai zasshi, Mar. 2015, Peer-reviewed, Lead author

  
• [Development of a new position-recognition system for robotic radiosurgery systems using machine vision].

  Issai Mohri; Yoshiyuki Umezu; Junnichi Fukunaga; Hiroyuki Tane; Hironori Nagata; Hideaki Hirashima; Katsumasa Nakamura; Hideki Hirata

  Nihon Hoshasen Gijutsu Gakkai zasshi, Aug. 2014, Peer-reviewed

  

Misc.

• 多発脳転移に対するKnowledge-based planningの臨床的有用性

  岸徳子; 中村光宏; 中村光宏; 平島英明; 椋本宜学; 竹花恵一; 宇藤恵; 松尾幸憲; 溝脇尚志

  日本放射線腫瘍学会高精度放射線外部照射部会学術大会プログラム・抄録集, 2019

  
• 前立腺癌に対するDynamic WaveArc-VMATとRapidArcの治療計画比較検討

  中村清直; 中村光宏; 椋本宜学; 平島英明; 溝脇尚志

  日本放射線腫瘍学会高精度放射線外部照射部会学術大会プログラム・抄録集, 2017

  
• 転移性脊椎腫瘍に対する体幹部定位放射線治療におけるIntra-fractional Motionの評価

  杉浦照予; 松下矩正; 佐々木誠; 藤本隆広; 中田学; 平島英明; 溝脇尚志

  日本放射線技術学会雑誌, 2023

  

Presentations

• Heart-sparing biaxially rotational dynamic-radiation therapy using customized dynamic trajectories in combination with Ginbal for thoracic esophageal cancer

  Kanako Nakatsu; Shinya Hiraoka; Hideaki Hirashima; Yuka Ono; Ryo Narukami; Katsuyuki Sakanaka; Mitsuhiro Nakamura; Takashi Mizowaki

  ESTRO2026, 15 May 2026

  
• Multinational harmonization and reciprocity of radiotherapy clinical trial credentialing; reducing barriers to global trial participation

  Stephen F. Kry; Jessica Lye; Fre'Etta Brooks; Mohammad Hussein; Christine B. Peterson; Mitsuhiro Nakamura; Mallory Glenn; Patricia Diez; Rushil Patel; Peter Greer; Rhonda Brown; Hideaki Hirashima; Joerg Lehmann; Catharine H. Clark

  ESTRO2026, 15 May 2026

  
• Potential Utility of VMAT with Dynamic Collimator Rotation and Modulated Ports for Nasopharyngeal Cancer

  Takahiro Iwai; Shinya Hiraok; Hideaki Hirashim; Mitsuhiro Nakamura; Ryota Nakashim; Takashi Mizowak

  ESTRO2026, 15 May 2026

  
• Single conditional diffusion model for cross-plane enhancement of 2D cine MR images toward T2-weighted quality in MR-guided adaptive radiotherapy

  Linna Zhang; Nobutaka Mukumoto; Megumi Nakao; Hideaki Hirashima; Naruki Murahashi; Haruo Inokuchi; Mitsuhiro Nakamura; Keiko Shibuya

  The 5th International Conference on Radiological Physics Technology, 17 Apr. 2026

  
• Evaluation of deformable image registration accuracy of VoxelMorph

  Mizuha Sakai; Megumi Nakao; Miki Kanamuro; Hideaki Hirashima; Masahiro Yoneyama; Noriko Kishi; Takashi Mizowaki; Mitsuhiro Nakamura

  The 5th International Conference on Radiological Physics Technology, 17 Apr. 2026

  
• Impact of deformable registration on CBCT image quality improvement using diffusion-based generative models

  Mizuki Igarashi; Megumi Nakao; Naruki Murahashi; Hideaki Hirashima; Takahiro Iwai; Michio Yoshimura; Takashi Mizowaki; Mitsuhiro Nakamura

  The 5th International Conference on Radiological Physics Technology, 16 Apr. 2026

  
• Image quality improvement of dual-source cone-beam computed tomography using a conditional latent diffusion model

  Ayane Nakanishi; Megumi Nakao; Naruki Murahashi; Hinako Isogai; Hideaki Hirashima; Takahiro Iwai; Michio Yoshimura; Takashi Mizowaki; Mitsuhiro Nakamura

  The 5th International Conference on Radiological Physics Technology, 16 Apr. 2026

  
• Development of an EPID-Based Virtual Audit Framework in Radiotherapy

  Maiko Kishigami; Takanori Adachi; Yoshitomo Ishihara; Hiroyuki Ito; Tomohiro Ono; Yukako Kishigami; Hideaki Hirashim; Kiyotomo Matsugi; Yuki Miyabe; Nobutaka Mukumo; Zixu Gua; Peter Greer; Mitsuhiro Nakamura

  The 5th International Conference on Radiological Physics Technology, 16 Apr. 2026

  
• ジンバル併用二軸回転動的放射線治療（BROAD-RT）を用いた食道癌放射線治療における軌道最適化と心臓線量低減の可能性

  中津伽奈子; 平岡伸也; 平島英明; 小野幸果; 鳴神諒; 坂中克行; 中村光宏; 溝脇尚志

  第39回高精度放射線外部照射部会学術大会, 14 Mar. 2026

  
• VMAT QAのγパス率予測における単施設モデルとファインチューニングモデルの比較評価

  清水紀孝; 平島英明; 亥埜亜希; 山田智紀; 小倉昌和

  第39回高精度放射線外部照射部会学術大会, 14 Mar. 2026

  
• 

  OXRAY特有機能におけるQA/QC

  平島英明; 川田晃平

  07 Mar. 2026, Invited

  
• 統合型プラットフォームによる CBCT guided online ART 技術の最前線

  平島英明

  第28回 MIYAGI RT LAB, 28 Feb. 2026, Invited

  
• 放射線治療における生成AIの活用

  平島英明

  JSMPウインターセミナー 2025, 14 Feb. 2026, Invited

  
• 放射線治療情報の相互利活用に向けた輪郭名称の命名標準化

  篠田 和哉; 遠山 尚紀; 黒岡 将彦; 木藤 哲史; 角谷 倫之; 中村 光宏; 沼崎 穂高; 河原 大輔; 阿部 幸太; 平島 英明; 中島祐二

  日本放射線腫瘍学会第38回学術大会, 29 Nov. 2025, Invited

  
• ARTによる抗腫瘍効果と線量増加の可能性

  岸 徳子; 岩井 貴寛; 平島 英明; 吉村 通央

  日本放射線腫瘍学会第38回学術大会, 28 Nov. 2025, Invited

  
• 2025年度 実務講習会④ -第4回定位治療計画実習講習会（Eclipse）

  小野 智博; 中島 祐二朗; 須田 雄飛; 平島 英明; 遠山 尚紀

  日本医学物理士会, 11 Oct. 2025, Invited

  
• 2025年度 実務講習会③ -第3回定位治療計画実習講習会（Eclipse）

  小野 智博; 中島 祐二朗; 須田 雄飛; 平島 英明; 遠山 尚紀

  日本医学物理士会, 05 Oct. 2025, Invited

  
• 動体追尾固定多門IMRT後の再発肝細胞癌に対して動体追尾VMATで再照射した1例

  岸 徳子; 中村 光宏; 平島 英明; 足立 孝則; 米山 正洋; 川田 晃平; 岸上 祐加子; 緒方 隆司; 村上 高志; 飯塚 裕介; 妹尾 浩; 溝脇 尚志

  第59回京都放射線腫瘍研究会, 20 Sep. 2025

  
• 肺定位放射線治療におけるCT値と治療パラメータの関係

  三好 駿斗; 川田 晃平; 佐々木 誠; 藤本 隆広; 平島 英明; 岸 徳子; 溝脇 尚志

  20 Sep. 2025

  
• 当院におけるTrueBeamコミッショニングの経験

  清水紀孝; 栗山健太郎; 麻生壽一; 砂川豊彰; 山田智紀; 平島英明; 亥埜亜希; 小倉昌和

  第１２回和歌山放射線腫瘍研究会, 06 Sep. 2025

  
• 動体追尾固定多門IMRT後の再発肝細胞癌に対して動体追尾VMATで再照射した1例

  岸 徳子; 中村 光宏; 平島 英明; 足立 孝則; 米山 正洋; 川田 晃平; 岸上 祐加子; 緒方 隆司; 飯塚 裕介; 妹尾 浩; 溝脇 尚志

  日本放射線腫瘍学会第38回学術大会, 27 Nov. 2025

  
• 条件付き拡散モデルを用いたCBCTアーチファクトの定量的低減評価

  五十嵐泉紀; 中尾恵; 村橋成紀; 平島英明; 岩井貴寛; 吉村通央; 溝脇尚志; 中村光宏

  日本放射線腫瘍学会第38回学術大会, 27 Nov. 2025

  
• 直交2方向2DシネMR画像の画質変換を実現する単一条件付き拡散モデルの開発

  張琳娜; 椋本宜学; 中尾恵; 平島英明; 村橋成紀; 井口治男; 中村光宏; 澁谷景子

  日本放射線腫瘍学会第38回学術大会, 27 Nov. 2025

  
• 肺定位の治療計画

  平島英明

  第 9 回放射線治療品質保証講習会, 13 Sep. 2025, Invited

  
• Oリング型画像誘導放射線治療システムを用いた二軸回転動的放射線照射法における照射中心位置精度の検証

  川田晃平; 中村光宏; 平島英明; 藤本隆広

  第53回 日本放射線技術学会秋季学術大会, 17 Oct. 2025

  
• Long-term clinical outcomes of spine stereotactic body radiation therapy for vertebral oligo-metastasis

  Akira Ueta; Rihito Aizawa; Yuka Ono; Yusuke Iizuka; Kiyonao Nakamura; Nobutaka Mukumoto; Hideaki Hirashima; Mitsuhiro Nakamura; Takashi Mizowaki

  第63回日本癌治療学会学術集会, 16 Oct. 2025

  
• MR画像がつなぐ分野横断の知

  中村光宏; 椋本宜学; 平島英明; 足立孝則; 張琳娜; 澁谷景子

  第53回日本磁気共鳴医学会大会, 30 Aug. 2025, Invited

  
• Comprehensive commissioning of an O-ring-shaped image-guided radiotherapy system with a gimbal-mounted linear accelerator

  Yukako Kishigami; Kohei Kawata; Hideaki Hirasihma; Yohei Sawada; Maika Urago; Tetsuo Fukuda; Takashi Mizowaki; Mitsuhiro Nakamura

  AAPM 67th Annual Meeting & Exhibition, 27 Jul. 2025

  
• Application of a conditional diffusion model to improve real-time MR imaging in online adaptive MR-guided radiotherapy

  Linna Zhang; Nobutaka Mukumoto; Megumi Nakao; Hideaki Hirashima; Naruki Murahashi; Haruo Inokuchi; Mitsuhiro Nakamura; Keiko Shibuya

  AAPM 67th Annual Meeting & Exhibition, 27 Jul. 2025

  
• 患者個別の2D-3D MR画像再構成モデルの開発

  平島 英明; 周 徳軍; 椋本 宜学; 井口 治男; 濱浦 信成; 山岸 睦美; 阪上 茉衣; 椋本 直希; 中村 光宏; 澁谷 景子

  第4回MR画像誘導適応放射線治療研究会, 21 Jun. 2025

  
• 京都大学のCBCTgART効率化への取り組みと未来予想図

  平島 英明

  第4回MR画像誘導適応放射線治療研究会, 21 Jun. 2025, Invited

  
• 2025年度 実務講習会② -第2回定位治療計画実習講習会（Eclipse）

  小野 智博; 中島 祐二朗; 須田 雄飛; 平島 英明; 遠山 尚紀

  日本医学物理士会, 01 Jun. 2025, Invited

  
• 膵癌に対する画像誘導即時適応放射線治療におけるプラン間の照射形状変位指標の開発

  小野智博; 伊良皆拓; 平島英明; 足立孝則; 藤本隆広; 岩井貴寛; 小野幸果; 吉村通央; 中村光宏; 溝脇尚志

  第38回 高精度放射線外部照射部会学術大会, 24 May 2025

  
• Conditional diffusion model-based image transformation of MR sequences in MR-guided radiotherapy

  Linna Zhang; Nobutaka Mukumoto; Megumi Nakao; Hideaki Hirashima, Naruki; Murahashi; Haruo Inokuchi; Mitsuhiro Nakamura; Keiko Shibuya

  The 4th International Conference on Radiological Physics Technology, 10 Apr. 2025

  
• 胸部4D-CT画像予測のための拡散モデルによる変位場生成

  金室 美紀; 平島 英明; 中村 光宏; 中尾 恵

  医用画像研究会（MI）, 19 Mar. 2025

  
• 上咽頭癌に対する根治的放射線治療におけるBROAD-RTの優位性

  平岡 伸也; 平島 英明; 中村 光宏; 田中 史弥; 安達 裕樹; 小野 幸果; 小野 智博; 中島 良太; 中嶋 綾; 溝脇 尚志

  日本放射線腫瘍学会第34回学術大会, 21 Nov. 2024

  
• ジンバル機構を用いた治療計画装置のコミッショニング及び照射位置精度評価

  小野智博; 田中史弥; 陣野隼太; 福田哲大; 平島英明; 小野幸果; 中村光宏; 溝脇尚志

  日本放射線腫瘍学会第34回学術大会, 21 Nov. 2024

  
• Radiomics特徴量に基づく高リスク前立腺癌根治的外照射後のPSA再発予測

  平田恒太; 足立孝則; 平島英明; 緒方隆司; 相澤理人; 溝脇尚志; 中村光宏

  日本放射線腫瘍学会第34回学術大会, 21 Nov. 2024

  
• Heterogeneity of NIS expression and RAI efficacy in thyroid cancer: An in vitro study

  Hiroki Tanaka; Sho Koyasu; Hideaki Hirashima; Yoichi Shimizu; Yuji Nakamoto

  第64回日本核医学会学術総会, 09 Nov. 2024

  
• Clinical outcomes of stereotactic body radiation therapy for spine oligo-metastasis using Dynamic WaveArc

  Akira Ueta; Rihito Aizawa; Yuka Ono; Yusuke Iizuka; Kiyonao Nakamura; Nobutaka Mukumoto; Hideaki Hirashima; Mitsuhiro Nakamura; Takashi Mizowaki

  癌治療学会2024, 24 Oct. 2024

  
• Impaired Therapeutic Efficacy and Lower Cross-fire Dose Due to Heterogenous Sodium Iodide Symporter (NIS) Expression in Thyroid Cancer: An in Vitro Study.

  Hiroki Tanaka; Sho Koyasu; Hideaki Hirashima; Yoichi Shimizu; Tadashi Watabe; Kazuko Kaneda-Nakashima; Makoto Hosono; Yuji Nakamoto

  第16回アジア・オセアニア核医学会 (AOCNMB2024), 05 Sep. 2024

  
• 2024年度 実務講習会⑩ -第1回定位治療計画実習講習会（Eclipse）

  小野 智博; 中島 祐二朗; 須田 雄飛; 平島 英明; 遠山 尚紀

  日本医学物理士会, 21 Dec. 2024, Invited

  
• 

  治療計画から照射まで一貫したSRSソリューション HyperArcを極める

  小西 浩司、平島 英明、五十野 優、須田 雄飛先

  日本放射線腫瘍学会第37回学術大会, 23 Nov. 2024, Invited

  
• 

  Eclipse Scripting APIを用いた小線源治療における独立検証

  小野 智博; 平島 英明

  日本放射線腫瘍学会第36回学術大会, 01 Dec. 2023, Invited

  
• 動体追尾肺定位放射線治療における呼吸性移動に伴う体内留置マーカー間非同期性による標的照準不確かさの検討

  松元聖弥; 中村光宏; 椋本宜学; 小野智博; 伊良皆拓; 平島英明; 足立孝則; 宮部結城; 松尾幸憲; 溝脇尚志

  日本放射線腫瘍学会高精度放射線外部照射部会学術大会プログラム・抄録集, 21 Nov. 2023

  
• Application of generative AI in the medical field: the radiotherapy perspective

  平島 英明; 大西 隆生

  The 63rd Annual Conference of Japanese Society for Medical and Biological Engineering, 24 May 2024, Invited

  
• 骨転移の体幹部定位放射線治療における 線量計算アルゴリズムの違いによる線量分布比較

  平島英明; 中村 光宏; 中村 清直; 松尾 幸憲; 溝脇 尚志

  日本放射線腫瘍学会第35回学術大会, 12 Nov. 2023

  
• Restoration of Body Outside Field-Of-View On CT Images Using Cycle-Consistent Generative Adversarial Networks

  Kohei Arimoto; Mitsuhiro Nakamura; Hideaki Hirashima; Megumi Nakao; Takashi Mizowaki

  AAPM 2022 64th Annual Meeting & Exhibition

  
• Auto-segmentation for limited field of view CBCT in male pelvic region using deep learning method

  Hideaki Hirashima; Mitsuhiro Nakamura; Keiho Imanishi; Megumi Nakao; Takashi Mizowaki

  AAPM 2022 64th Annual Meeting & Exhibition

  
• 

  オリゴ転移定位放射線治療 -令和時代、オリゴ転移治療に必要な知識・技術-

  平島 英明

  第149回かたろう会, 26 Mar. 2022, Invited

  
• 

  DWAのQA/QC

  平島 英明

  Veroユーザーズミーティング2022, 05 Feb. 2022, Invited

  
• 頭頸部領域におけるCycleGANに基づくメタルアーチファクト低減

  中村 光宏; 中尾 恵; 平島 英明; 鶴田 裕輔

  
• 

  機械学習によるQA結果予測

  平島英明

  令和3年度 東北大学医学物理セミナー, 16 Oct. 2021, Invited

  
• Geometric and dosimetric impact of 3D generative adversarial network-based metal artifact reduction algorithm on VMAT

  Mitsuhiro Nakamura; Megumi Nakao; Hideaki Hirashima; Yusuke Tsuruta

  AAPM 2021 63rd annual meeting & exhibition

  
• Evaluation of attenuation due to stereotactic radiosurgery immobilization using different energies, field sizes and dose calculation algorithm

  原 薫; 平島 英明; 佐々木 誠; 鶴田 裕輔; 松下 矩正; 藤本 隆広

  第77回日本放射線技術学会総会学術大会

  
• Evaluation of the TRS-483 protocol for the dosimetry of small static fields for C-arm and O-ring linear accelerators

  Kouhei Kawata; Hideaki Hirashima; Yusuke. Tsuruta; Makoto Sasaki; Norimasa Matsushita; Takahiro Fujimoto; Mitsuhiro Nakamura; Manabu Nakata

  第121回日本医学物理学会学術大会

  
• 肺定位放射線治療における線量計算アルゴリズム 間のdosiomic特徴量の変化

  足立 孝則; 中村 光宏; 平島 英明; 伊良皆 拓; 小野 智博; 椋本 宜学; 宮部 結城; 鶴田 裕輔; 柿野 諒; 松尾 幸憲; 溝脇 尚志

  日本放射線腫瘍学会第33回, 01 Oct. 2020

  
• Knowledge-based planningモデルの汎化性能評価

  平島 英明; 中村 光宏; 芦田 良; 藤井 康太; 中村 清直; 中嶋 綾; 坂中 克行; 伊良皆 拓; 小野 智博; 椋本 宜学; 宮部 結城; 吉村 通央; 溝脇 尚志

  日本放射線腫瘍学会第33回, 01 Oct. 2020

  
• VMATに対するplan complexity軽減アルゴリズ ムの開発

  小野 智博; 平島 英明; 宮部 結城; 中村 光宏; 溝脇 尚志

  日本放射線腫瘍学会第33回, 01 Oct. 2020

  
• Prognostic prediction for lung stereotactic body radiotherapy using breath-hold CT-based radiomic features with random survival forest: A multi-institutional study.

  Ryo Kakino; Mitsuhiro Nakamura; Takamasa Mitsuyoshi; Takashi Shintani; Masaki Kokubo; Yoshiharu Negoro; Masato Fushiki; Masakazu Ogura; Satoshi Itasaka; Chikako Yamauchi; Shuji Otsu; Takashi Sakamoto; Masato Sakamoto; Norio Araki; Hideaki Hirashima; Takanori Adachi; Yukinori Matsuo; Takashi Mizowaki

  AAPM2020 62th Annual meeting & exhibition Virtual, 12 Jul. 2020

  
• Prediction of Radiation Pneumonitis After Lung Stereotactic Body Radiation Therapy Using Dosiomics Features: A Retrospective Multi-Institutional Study

  Takanori Adachi; Mitsuhiro Nakamura; Takashi Shintani; Takamasa Mitsuyoshi; Ryo Kakino; Takashi Ogata; Hiroaki Tanabe; Tomohiro Ono; Hideaki Hirashima; Takashi Sakamoto; Masaki Kokubo; Yukinori Matsuo; Takashi Mizowaki

  AAPM2020 62th Annual meeting & exhibition Virtual, 12 Jul. 2020

  
• Evaluation of intrafractional motion for intracranial stereotactic irradiation using a thermoplastic frameless mask system

  鶴田 裕輔; 中田 学; 中村 光宏; 宇藤 恵; 竹花 恵一; 平島 英明; 藤本 隆広; 溝脇 尚志

  第29回定位放射線治療学会, 22 May 2020

  
• 統計学的アプローチによるPRVマージン算定法の開発

  中村光宏; 中尾恵; 椋本宜学; 芦田良; 平島英明; 吉村通央; 溝脇尚志

  日本放射線腫瘍学会第32回学術大会, 23 Nov. 2019

  
• Radiomics特徴量に基づく肺SBRTの予後予測に関する多施設共同研究

  柿野 諒; 中村 光宏; 光吉 隆真; 新谷 尭; 根来 慶春; 伏木 雅人; 小倉 昌和; 板坂 聡; 山内 智香子; 大津 修二; 坂本 隆吏; 荒木 則雄; 平島 英明; 松尾 幸憲; 溝脇 尚志

  日本放射線腫瘍学会第32回学術大会, 23 Nov. 2019

  
• Dose-based radiomics特徴量を用いた強度変調放射線治療におけるγパス率の予測

  平島英明; 小野智博; 中村光宏; 宮部結城; 椋本宜学; 伊良皆拓; 溝脇尚志

  日本放射線腫瘍学会第32回学術大会, 23 Nov. 2019

  
• Improving prognostic prediction for lung cancer patients who underwent SBRT using breath-hold diagnostic CT-based image features: a retrospective single institutional study

  Ryo Kakino; Mitsuhiro Nakamura; Takamasa Mitsuyoshi; Takashi Shintani; Hideaki Hirashima; Yukinori Matsuo; Takashi Mizowaki

  AAPM2019 61th Annual meeting & exhibition, 14 Jul. 2019

  
• 多発脳転移シングルアイソセンターVMATにおける交差検証法を用いたKnowledge-based planningの臨床的有用性評価

  岸 徳子; 中村 光宏; 平島 英明; 椋本 宜学; 竹花 恵一; 宇藤 恵; 松尾 幸憲; 溝脇 尚志

  第28回日本定位放射線治療学会, 14 Jun. 2019

  
• Clinical validation of knowledge-based planning for multiple brain metastases

  Noriko Kishi; Mitsuhiro Nakamura; Hideaki Hirashima; Nobutaka Mukumoto; Keiichi Takehana; Megumi Uto; Yukinori Matsuo; Takashi Mizowaki

  ESTRO38, 26 Apr. 2019

  
• 肺がんに対するVMAT-SBRTの計算ベース独立検証

  Tomohiro Ono; Takamasa Mitsuyoshi; Takashi Shintani; Hiraku Iramina; Hideaki Hirashima; Nobutaka Mukumoto; Yuki Miyabe; Mitsuhiro Nakamura; Yukinori Matsuo; Takashi Mizowaki

  第117回日本医学物理学会学術大会, 12 Apr. 2019

  
• 肺SBRT施行前の診断用CTから抽出された画像特徴量に基づく予後予測: 後方視的単施設研究

  柿野諒; 中村光宏; 光吉隆真; 新谷尭; 平島英明; 松尾幸憲; 溝脇尚志

  第117回日本医学物理学会学術大会, 12 Apr. 2019

  
• Clinically applicable a deep learning model for segmentation in the prostate region

  Mitsuhiro Nakamura; Hiroki Enno; Tatsumasa Kabasawa; Yusuke Shido; Yushi Okunishi; Koki Muguruma; Hideaki Hirashima; Takashi Mizowaki

  第117回日本医学物理学会学術大会, 12 Apr. 2019

  
• キロボルトＸ線撮像システムを用いたメガボルト散乱X線の照射体積依存性の定量化

  伊良皆拓; 中村光宏; 宮部結城; 椋本宜学; 小野智博; 平島英明; 溝脇尚志

  第117回日本医学物理学会学術大会, 11 Apr. 2019

  
• 骨盤ファントムに対するVMAT照射中におけるMV散乱X線のkV-X線投影画像への影響

  北村彩香; 中村光宏; 伊良皆拓; 平島英明; 溝脇尚志

  第117回日本医学物理学会学術大会, 11 Apr. 2019

  
• 多発脳転移に対するKnowledge-based planningの臨床的有用性

  岸 徳子; 中村 光宏; 平島 英明; 椋本 宜学; 竹花 恵一; 宇藤 恵; 松尾 幸憲; 溝脇 尚志

  第32回高精度放射線治療研究会学術大会, 02 Mar. 2019

  
• 吸気息止めコーンビームCTの息止め位置誤差が画質に与える影響

  川上正邦; 伊良皆 拓; 平島 英明; 伏木 雅人

  日本放射線腫瘍学会第31回学術大会, 12 Oct. 2018

  
• MV-X線照射時に撮像されるkV画像に対するMV散乱線の直接測定: 線量率依存

  伊良皆拓; 中村光宏; 宮部結城; 椋本宜学; 小野智博; 平島英明; 溝脇尚志

  日本放射線腫瘍学会第31回学術大会, 12 Oct. 2018

  
• 統計的学習を用いた強度変調回転照射の治療計画精度推定

  小野智博; 平島英明; 伊良皆拓; 椋本宜学; 宮部結城; 中村光宏; 溝脇尚志

  日本放射線腫瘍学会第31回学術大会, 12 Oct. 2018

  
• Volumetric-modulated Dynamic WaveArc therapy (VMDWAT)の実効可能性検証試験

  中村清直; 宇藤恵; 高山賢二; 片桐幸大; 宮部結城; 中村光宏; 石原佳知; 椋本宜学; 平島英明; 溝脇尚志

  日本放射線腫瘍学会第31回学術大会, 11 Oct. 2018

  
• 脳転移に対するSingle-isocenter volumetric-modulated Dynamic WaveArc therapy

  宇藤恵; 小倉健吾; 宮部結城; 中村光宏; 椋本宜学; 平島英明; 片桐幸大; 竹花恵一; 平岡真寛; 溝脇尚志

  日本放射線腫瘍学会第31回学術大会, 11 Oct. 2018

  
• カウチ同時駆動型回転照射の照射精度検証

  平島英明; 中村光宏; 宮部結城; 椋本宜学; 小野智博; 伊良皆拓; 溝脇尚志

  日本放射線腫瘍学会第31回学術大会, 12 Oct. 2018

  
• Estimation of dosimetric accuracy of VMAT plans using statistical learning

  Tomohiro Ono; Hideaki Hirashima; Hiraku Iramina; Nobutaka Mukumoto; Yuki Miyabe; Mitsuhiro Nakamura; Takashi Mizowaki

  The 3rd Meeting of the Federation of Asian Organizations for Radiation Oncology, 05 Sep. 2018

  
• Performance Evaluation of 3D Model-Based Global-To-Local Deformable Surface Registration of Multi Organs in Prostate Cancer

  Mitsuhiro Nakamura; M Nakao; H Hirashima; H Iramina; T Mizowaki

  AAPM2018 Annual Meeting, 01 Aug. 2018

  
• Geometric and Dosimetric Accuracy for Non-Coplanar VMAT with Continuous Couch Rotation Using L-Shaped Treatment Machine

  Hideaki Hirashima; Mitsuhiro Nakamura; Yuki Miyabe; Nobutaka Mukumoto; Takashi Mizowaki

  AAPM2018 Annual Meeting, 30 Jul. 2018

  
• Single-isocenter volumetric-modulated Dynamic WaveArc therapy for brain metastases improves dose conformity

  Megumi Uto; Kengo Ogura; Yuki Miyabe; Mitsuhiro Nakamura; Nobutaka Mukumoto; Hideaki Hirashima; Keiichi Takehana; Masahiro Hiraoka; Takashi Mizowaki

  ESTRO37, 20 Apr. 2018

  
• Realization of non-coplanar VMAT with continuous couch rotation on L-shaped treatment machines

  Hideaki Hirashima; Mitsuhiro Nakamura; Yuki Miyabe; Nobutaka Mukumoto; Takashi Mizowaki

  第115回日本医学物理学会学術大会, 16 Apr. 2018

  
• 日々のログファイルを用いたVolumetric-modulated DWA therapy照射中の機械精度検証

  平島英明; 中村光宏; 宮部結城; 宇藤恵; 中村清直; 溝脇尚志

  日本放射線腫瘍学会第30回学術大会, 18 Nov. 2017

  
• Dosimetric evaluation of dose reporting modes in patient-specific QA using 3D helical diode array

  Hideaki Hirashima; Mitsuhiro Nakamura; Yoshitomo Ishihara; Nobutaka Mukumoto; Mami Akimoto; Tsuneyuki Tomita; Yoshinori Hirose; Kenji Kitsuda; Takashi Ishigaki; Takashi Mizowaki

  The 8th Japan-Korea Joint Meeting on Medical Physics, 15 Sep. 2017

  
• Establishment of patient-specific quality assurance procedure for Dynamic WaveArc delivery technique

  Hideaki Hirashima; Mitsuhiro Nakamura; Yuki Miyabe; Nobutaka Mukumoto; Megumi Uto; Kiyonao Nakamura; Takashi Mizowaki; Masahiro Hiraoka

  ESTRO36, 08 May 2017

  
• Dose reduction of femoral heads using volumetric-modulated Dynamic WaveArc for prostate cancer

  Kiyonao Nakamura; Takashi Mizowaki; Megumi Uto; Nobutaka Mukumoto; Yuki Miyabe; Hideaki Hirashima; Masahiro Hiraoka

  ESTRO36, 06 May 2017

  
• Volumetric-modulated Dynamic WaveArc therapy reduces the doses to the hippocampus

  Megumi Uto; Takashi Mizowaki; Kengo Ogura; Yuki Miyabe; Mitsuhiro Nakamura; Nobutaka Mukumoto; Hideaki Hirashima; Masahiro Hiraoka

  ESTRO36, 05 May 2017

  
• Assessment of delivery accuracy of Dynamic WaveArc technique using dose reconstruction method

  Hideaki Hirashima; Mitsuhiro Nakamura; Yuki Miyabe; Nobutaka Mukumoto; Megumi Uto; Kiyonao Nakamura; Takashi Mizowaki; Masahiro Hiraoka

  第113回日本医学物理学会学術大会, 15 Apr. 2017

  
• Reduction of hippocampal doses for craniopharyngiomas using volumetric-modulated wave arc therapy

  Megumi Uto; Takashi Mizowaki; Kengo Ogura; Kiyonao Nakamura; Nobutaka Mukumoto; Kenji Yokota; Yuki Miyabe; Hideaki Hirashima; Masahiro Hiraoka

  日本放射線腫瘍学会第29回学術大会, 26 Nov. 2016

  
• Verification of delivery accuracy of DWA technique using log files

  Hideaki Hirashima; Mitsuhiro Nakamura; Yuki Miyabe; Megumi Uto; Kiyonao Nakamura; Takashi Mizowaki; Masahiro Hiraoka

  The 29th Annual Meeting of the Japanese Society for Radiation Oncology, 26 Nov. 2016

  
• Dose reduction of femoral heads using volumetric-modulated Dynamic WaveArc for prostate cancer

  Yu Murakami; Hideaki Hirashima; Fumiya Nakamura; Junichi Fukunaga; Taka-aki Hirose and Hideki Hirata

  日本放射線腫瘍学会第29回学術大会, 25 Nov. 2016

  
• Reduction of hippocampal doses for craniopharyngiomas using volumetric-modulated wave arc therapy

  Megumi Uto; Takashi Mizowaki; Kengo Ogura; Kiyonao Nakamura; Nobutaka Mukumoto; Kenji Yokota; Yuki Miyabe; Hideaki Hirashima; Masahiro Hiraoka

  ASTRO's 58th Annual Meeting, 25 Sep. 2016

  
• 膵癌に対する放射線治療における胆管ステントの体内マーカ代替可能性に関する検討

  藤野真衣; 中村光宏; 秋元麻未; 伊良皆拓; 平島英明; 岸高宏; 後藤容子; 溝脇尚志

  第112医学物理学会学術大会, 09 Sep. 2016

  
• A simple method to assess accuracy of Dynamic Wave Arc irradiation using an electronic portal imaging device and log files

  Hideaki Hirashima; Yuki Miyabe; Kenji Yokota; Mitsuhiro Nakamura; Nobutaka Mukumoto; Takashi Mizowaki; Masahiro Hiraoka

  AAPM2016 58th Annual meeting & exhibition

  
• Quality assurance procedures of Dynamic WaveArc irradiation using electric portal imaging device

  Hideaki Hirashima; Yuki Miyabe; Kenji Yokota; Mitsuhiro Nakamura; Nobutaka, Mukumoto; Takashi Mizowaki

  第111回日本医学物理学会学術大会, 16 Apr. 2016

  
• Development of EPID-based quality assurance procedures for Dynamic WaveArc irradiation

  Hideaki Hirashima; Yuki Miyabe; Kenji Yokota; Mitsuhiro Nakamura; Nobutaka Mukumoto; Takashi Mizowaki; Masahiro Hiraoka

  The 13th South-East Asia Congress of Medical Physics (SEACOMP) congress, 11 Dec. 2015

  
• 脊椎腫瘍に対するVMATにおける腫瘍浸潤範囲と最適なMLCリーフ幅についての基礎的検討

  中村文哉; 平島英明; 福永淳一; 廣瀬貴章; 濱田英志; 岩崎彬; 平田秀紀

  日本放射線腫瘍学会第28回日本高精度放射線外部照射研究会, 30 May 2015

  
• VMATを用いた肺定位放射線治療における胸壁線量低減についての検討

  村上悠; 平島英明; 中村文哉; 福永淳一; 廣瀬貴章; 濱田英志; 岩崎彬; 平田秀紀

  日本放射線腫瘍学会第28回日本高精度放射線外部照射研究会, 30 May 2015

  
• PHITSを用いたリニアックビームプロファイルの検討

  平島英明; 中村文哉; 村上悠; 平田秀紀

  第10回PHITS研究会, 01 Sep. 2014

  
• ヘリカル式強度変調放射線治療装置におけるMVCT画像のノイズ定量評価

  永田弘典; 本郷秀幸; 毛利一彩; 平島英明; 橋本晴満; 山下部 亘; 松井謙吾; 大村素子; 鈴木涼子; 高野祥子; 平田秀紀

  第70回日本放射線技術学会総会学術大会, 10 Apr. 2014

  
• 前立腺癌IMRTにおける位置照合方法の違いによる線量評価の影響について

  平島英明; 永田弘典; 毛利一彩; 梅津芳幸; 福永淳一; 廣瀬貴章; 中村和正; 平田秀紀

  日本放射線腫瘍学会第27回日本高精度放射線外部照射研究会, 22 Feb. 2014

  
• ヘリカル式強度変調放射線治療装置におけるMVCT画像のノイズ定量評価

  永田弘典; 本郷秀幸; 毛利一彩; 平島英明; 橋本晴満; 山下部 亘; 松井謙吾; 大村素子; 鈴木涼子; 高野祥子; 平田秀紀

  日本放射線腫瘍学会第26回学術大会, 19 Oct. 2013

  
• 定位放射線治療装置におけるマシンビジョンシステムを用いた新しい位置認識システムの開発

  毛利一彩; 梅津芳幸; 福永淳一; 種 裕之; 永田弘典; 平島英明; 中村和正; 平田秀紀

  第41回日本放射線技術学会秋季学術大会, 17 Oct. 2013

  
• 子宮頚癌HDR-RALSアプリケータによる減弱について

  平島英明; 草場大; 永田弘典; 毛利一彩; 大浦弘樹; 平田秀紀

  日本放射線腫瘍学会小線源治療部会第15回学術大会, 17 May 2013

  

Books and Other Publications

• CBCTを用いた即時適応放射線治療の臨床的有用性

  岸 徳子、岩井 貴寛、平島 英明, Joint work, 即時適応放射線治療の最新トピックス

  月刊インナービジョン, Nov. 2024

  
• Advances in Accelerators and Medical Physics

  Toshiyuki Shirai; Teiji Nishio; Kiyokazu Sato, Contributor, Section A: X-ray therapy and electron beam therapy

  Elsevier, Jun. 2023, Not refereed

  
• 放射線治療学分野におけるAI技術の活用

  中村 光宏; 伊良皆 拓; 平島 英明; 柿野 諒; 足立 孝則, Joint work

  Rad Fan 特集1 画像診断領域におけるAIはココまで来ている, Jun. 2020

  

External funds: Kakenhi

• Development of a Deep Learning-based extending the effective field of view in cone-beam CT

  Grant-in-Aid for Early-Career Scientists

  Basic Section 52040:Radiological sciences-related

  Kyoto University

  Hirashima Hideaki

  From 01 Apr. 2022, To 31 Mar. 2024, Project Closed

  放射線治療;医学物理;AI;CBCT;適応放射線治療

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-22K15804/
• Development of an innovative radiation therapy approach to non-metastatic ultra-high risk prostate cancer

  Grant-in-Aid for Scientific Research (B)

  Basic Section 52040:Radiological sciences-related

  Kyoto University

  溝脇 尚志

  From 01 Apr. 2022, To 31 Mar. 2027, Granted

  前立腺癌;放射線療法;寡分割照射;強度変調同時ブースト照射;超高リスクがん;骨盤照射

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-22H03022/
• 人工知能に基づく仮想放射線治療計画者の基盤開発

  Grant-in-Aid for Early-Career Scientists

  Basic Section 52040:Radiological sciences-related

  Kyoto University

  平島 英明

  From 01 Apr. 2024, To 31 Mar. 2027, Granted

  高精度放射線治療;深層強化学習;仮想治療計画者;自己評価;商用治療計画装置

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-24K18826/
• Development of an innovative radiotherapy approach for non-metastatic very high-risk prostate cancer.

  Grant-in-Aid for Scientific Research (B)

  Basic Section 52040:Radiological sciences-related

  Kyoto University

  溝脇 尚志

  From 01 Apr. 2024, To 31 Mar. 2027, Granted

  前立腺癌;放射線治療;高度寡分割照射;全骨盤照射;超高リスク;寡分割照射;強度変調放射線治療;放射線療法;強度変調同時ブースト照射;超高リスクがん;骨盤照射

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-23K24283/

External funds: others

• Theranostics普及へ向けたモンテカルロシミュレーション吸収線量推定法の開発

  関西原子力懇談会, 2023年度関西原子力懇談会学術振興奨学金

  From 01 Apr. 2023, To 31 Mar. 2025

  平島英明
• 深層学習によるCBCT/仮想MRI変換技術および自動輪郭描出システムの開発

  2020年度第Ⅱ期　京都大学若手研究者スタートアップ研究費

  From 01 Oct. 2020, To 31 Mar. 2021

  平島英明
• 臓器位置変動における投与線量の不確かさが治療効果予測指標に与える影響の解明

  2020年度第Ⅰ期　京都大学若手研究者スタートアップ研究費

  From 01 Apr. 2020, To 30 Sep. 2021

  平島英明

Education

Teaching subject(s)

• From 01 Apr. 2025, To 31 Mar. 2026

  Radiation Treatment Planning, Radiation Treatment Metrology, Practice

  W618, Spring, Graduate School of Engineering, 2

Academic, Social Contribution

Committee Memberships

• From Jan. 2026, To Present

  MR・CT画像誘導即時適応放射線治療ガイドライン, Japanese Society for Radiation Oncology
• From Feb. 2025, To Present

  GHG subcommittees (TPS Beam parameters), Global Harmonization Group
• From Jun. 2024, To Present

  教育委員会, 日本医学物理士会
• From Jun. 2024, To Present

  放射線治療委員会 Radiotherapy Committee:RC, 日本臨床腫瘍研究グループ (JCOG)
• From Jun. 2021, To Present

  医学物理WG, 日本臨床腫瘍研究グループ (JCOG). 放射線治療グループ
• From Apr. 2019, To Present

  広報委員会, 日本医学物理学会
• From Oct. 2019, To Present

  代議員, 日本医学物理学会