Research theme for competitive and other funds (2):
2023 - 2026 Development of a next-generation brachytherapy assistance system using mixed reality technology
2019 - 2022 可変型マルチチャンネルアプリケータを用いた強度変調小線源治療法の開発
Papers (42):
Tairo Kashihara, Yuka Urago, Hiroyuki Okamoto, Mihiro Takemori, Hiroki Nakayama, Shohei Mikasa, Tetsu Nakaichi, Kotaro Iijima, Takahito Chiba, Junichi Kuwahara, et al. A preliminary study on rectal dose reduction associated with hyaluronic acid implantation in brachytherapy for prostate cancer. Asian journal of urology. 2024. 11. 2. 286-293
Hiroyuki Okamoto, Akihisa Wakita, Kensuke Tani, Satoshi Kito, Masahiko Kurooka, Takumi Kodama, Naoki Tohyama, Yukio Fujita, Satoshi Nakamura, Kotaro Iijima, et al. Plan complexity metrics for head and neck VMAT competition plans. Medical dosimetry : official journal of the American Association of Medical Dosimetrists. 2024
Hiroyuki Okamoto, Madoka Sakuramachi, Wakako Yatsuoka, Takao Ueno, Kouji Katsura, Naoya Murakami, Satoshi Nakamura, Kotaro Iijima, Takahito Chiba, Hiroki Nakayama, et al. A novel method for determining dose distribution on panoramic reconstruction computed tomography images from radiotherapy computed tomography. Imaging Science in Dentistry. 2024. 54
Satoshi Nakamura, Shoji Imamichi, Kenzi Shimada, Mihiro Takemori, Yui Kanai, Kotaro Iijima, Takahito Chiba, Hiroki Nakayama, Tetsu Nakaichi, Shohei Mikasa, et al. Relative biological effectiveness for epithermal neutron beam contaminated with fast neutrons in the linear accelerator-based boron neutron capture therapy system coupled to a solid-state lithium target. Journal of radiation research. 2023. 64. 4. 661-667
Hiroki Nakayama, Hiroyuki Okamoto, Satoshi Nakamura, Kotaro Iijima, Takahito Chiba, Mihiro Takemori, Tetsu Nakaichi, Shohei Mikasa, Kyohei Fujii, Tatsuya Sakasai, et al. Film measurement and analytical approach for assessing treatment accuracy and latency in a magnetic resonance-guided radiotherapy system. Journal of Applied Clinical Medical Physics. 2023
Development of novel heterogeneous anthropomorphic head and neck phantom using 3D printer for IMRT patient specific quality assurance
(60th annual meeting of AAPM 2018)
A deep convolutional neural network approach for IMRT dose distribution prediction in prostate cancer patients
(60th annual meeting of AAPM 2018)
Determination of optimal similarity metric for deformable image registration between T2-weighted MR images at different time-points in prostate cancer patient
(IUPESM 2018 World Congress on Med Phys Bio Eng 2018)
Quantifying the performance of two different types of 3D patient dose reconstruction: machine log-file vs. machine log-file with EPID image
(IUPESM 2018 World Congress on Med Phys Bio Eng 2018)