Nihei Keiji

ニヘイケイジ | Nihei Keiji

Affiliation and department：
Job title： Professor

Research field (1)： Radiology

Research keywords (25)： radiation physics , radiation biology , palliative radiation therapy , palliative care , soft tissue tumor , pancreatic cancer , brain tumor , head and neck cancer , bladder cancer , prostate cancer , lung cancer , esophageal cancer , clinical trial , chemoradiotherapy , high precision radiation therapy , image-guided radiation therapy (IGRT) , stereotactic radiation therapy (SRT) , intensity modulated radiation therapy (IMRT) , boron neutron capture therapy (BNCT) , proton therapy , external beam radiation therapy , multimodal therapy , cancer therapy , radiation therapy , radiation oncology

Research theme for competitive and other funds (3)：

2022 - 2027 Development of an innovative radiation therapy approach to non-metastatic ultra-high risk prostate cancer
2022 - 2025 Basic study of BNCT in sarcoma using both FBPA accumulation on PET and pathological effect prediction
2013 - 2016 Establishment of a cancer diagnosis method using DNA increase derived from plasma tumor after the radiation therapy

Papers (86)：

Naonori Hu, Minoru Nakao, Shuichi Ozawa, Takushi Takata, Hiroki Tanaka, Keiji Nihei, Koji Ono, Minoru Suzuki. Application of stoichiometric CT number calibration method for dose calculation of tissue heterogeneous volumes in boron neutron capture therapy. Medical Physics. 2024
Mariko Sato, Katsumi Hirose, Satoshi Takeno, Teruhito Aihara, Keiji Nihei, Yoshihiro Takai, Toshimitsu Hayashi, Kosuke Bando, Hitomi Kimura, Keisuke Tsurumi, et al. Safety of Boron Neutron Capture Therapy with Borofalan(¹⁰B) and Its Efficacy on Recurrent Head and Neck Cancer: Real-World Outcomes from Nationwide Post-Marketing Surveillance. Cancers. 2024
Ryo Kakino, Naonori Hu, Hiroki Tanaka, Satoshi Takeno, Teruhito Aihara, Keiji Nihei, Koji Ono. Out-of-field dosimetry using a validated PHITS model and computational phantom in clinical BNCT. Medical Physics. 2023
粟飯原輝人, 東野正明, 武野慧, 呼尚徳, 二瓶圭二, 河田了, 小野公二. 革新的治療はここにあり、頭頸部癌における新たな展開頭頸部癌に対する加速器BNCTの初期治療効果. 日本癌治療学会学術集会抄録集. 2023. 61回. OWS6-2
Hiroshi Onishi, Yoshiyuki Shioyama, Yasuo Matsumoto, Yukinori Matsuo, Akifumi Miyakawa, Hideomi Yamashita, Haruo Matsushita, Masahiko Aoki, Keiji Nihei, Tomoki Kimura, et al. Real-World Results of Stereotactic Body Radiotherapy for 399 Medically Operable Patients with Stage I Histology-Proven Non-Small Cell Lung Cancer. Cancers. 2023. 15. 17

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MISC (259)：

武野慧, 粟飯原輝人, 二瓶圭二, 小野公二. ホウ素中性子補足療法(BNCT)の現状:臨床現場から. 臨床放射線. 2023. 68. 2. 151-159
古瀬元雅, 二瓶圭二, 川端信司, 平松亮, 野々口直助, 添田文彦, 伊藤ゆり, 武野慧, 粟飯原輝人, 高見俊宏, et al. Exploratory PET evaluation of boron neutron capture therapy for malignant glioma refractory to bevacizumab. 日本脳腫瘍学会学術集会プログラム・抄録集. 2022. 40th
宮武伸一, 宮武伸一, 鰐渕昌彦, 鰐渕昌彦, 川端信司, 古瀬元雅, 小野公二, 二瓶圭二, 秋田和彦, 呼尚徳, et al. Interim results of investigator-lead clinical trial of accelerator-based BNCT for treatment-refractory, recurrent high-grade meningiomas. 日本脳腫瘍学会学術集会プログラム・抄録集. 2022. 40th
二瓶圭二, 中村和正, 加賀美芳和. 前立腺癌に対する画像誘導を用いた寡分割強度変調放射線治療の国内多施設共同第II相臨床試験. 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. 2022. 35th
二瓶圭二, 二瓶圭二. 高精度X線治療及び粒子線治療と比較した,BNCT治療の特徴. 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. 2022. 35th

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Professional career (1)：

Doctor of Medicine (Kyoto University)

Committee career (18)：

2022/09 - 現在日本放射線腫瘍学会広報委員会
2018/09 - 現在日本放射線腫瘍学会教育委員会
2018/09 - 現在日本放射線腫瘍学会代議員
2017/04 - 現在日本臨床腫瘍研究グループ(JCOG) 効果安全性評価委員会
2016/08 - 現在日本医学放射線学会診療ガイドライン委員会

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Awards (3)：

2021/07 - 日本中性子捕捉療法学会学術大会第17回学術大会ベストプレゼンテーション賞
2016/11 - 日本放射線腫瘍学会第29回学術大会最優秀演題賞
2007/01 - 京都大学放射線科第1回さんさん会学術奨励賞

Association Membership(s) (10)：

日本中性子捕捉療法学会 , 日本頭頸部癌学会 , European Society for Radiation Oncology , American Society for Radiation Oncology , 日本泌尿器腫瘍学会 , 日本癌治療学会 , 日本肺癌学会 , 日本食道学会 , Japan Radiology Society , Japanese Society for Radiation Oncology

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