Researchers

MONZEN Hajime

MONZEN Hajime
Clinical Professor
Faculty Kindai University Hospital / Department of Medicine / Graduate School of Medical Sciences
Researchmap https://researchmap.jp/HajimeMonzen

Education and Career

Academic & Professional Experience

  • Apr. 2021 - Today , Kindai University Professor
  • Apr. 2014 - Mar. 2021 , Kindai University Graduate school of medical sciencies Associate professor
  • Apr. 2011 - Mar. 2014 , Kyoto University 医学(系)研究科(研究院) 特定准教授
  • Apr. 1991 - Mar. 2011 , 日本赤十字社 大津赤十字病院 放射線科部
  • 2001 - 2002 , Minnesota University Department of Radiation Oncology visiting fellow

Research Activities

Research Areas

  • Energy, Quantum beam science
  • Life sciences, Radiology
  • Life sciences, Radiology

Research Interests

核医学, 医学物理学, 放射線防護, 放射線治療, 癌, トランスレーショナルリサーチ

Published Papers

  1. Enhanced shielding effectiveness for scattered X-rays in diagnostic radiology using origami-inspired 3D tungsten functional paper structures
    Yuya Yanagi; Shunta Hirano; Kohei Ohashi; Makoto Hirata; Yasunori Nakamura; Takaaki Ito; Kiyofumi Okamoto; Hajime Monzen
    European Journal of Radiology  198  , 112715-112715, May. 2026 
  2. Feasibility study of a newly developed solid gel pad containing tamarind seed gum for diagnostic ultrasonography in human subjects
    Takuya Uehara; Hajime Monzen; Megumi Ujifuku; Yukinori Matsuo; Yutaka Watanabe
    Scientific Reports  16  (1)  12, Jan. 2026 
  3. Impact of extended source‐to‐surface distances and respiratory motion on the precision of electron beam therapy
    Takaaki Ito; Hiroyuki Kosaka; Yuya Yanagi; Yusuke Sakai; Hajime Monzen
    Journal of Applied Clinical Medical Physics  26  (10)  10, Oct. 2025 

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Conference Activities & Talks

  1. 放射線治療古今東西 ～conventional, IMRT, セラノスティクス～ , 門前一 , 第81回日本放射線技術学会総会学術 , 13, Apr. 2025
  2. Effects of respiratory motion-induced source-to-surface distances variations on irradiation accuracy in electron beam therapy for keloids , Ito T.; Yanagi Y.; Kosaka H.; Hamada M.; Monzen H. , European Congress of Radiology 2025 , 27, Feb. 2025
  3. Cardiac cycle effects on radiation doses to the heart in left breast cancer radiotherapy with DIBH , Yanagi Y.; Aoki K.; Harada N.; Ohashi K.; Iguchi H.; Ito T.; Kosaka H.; Monzen H. , European Congress of Radiology 2025 , 26, Feb. 2025

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MISC

  1. Characteristic evaluation of water-based pigment skin marker for radiation therapy , 宮崎 直人; 酒井 優佑; 久保 和輝; 小坂 浩之; 中山 真一; 廣瀬 瑞樹; 川俣 宏昭; 門前 一 , 日本放射線技師会雑誌 , 71 , 1480 , 1485 , Dec. 2024
  2. Comparison of dose calculation algorithms for heterogeneous media with continuously varying CT values , 柳勇也; 柳勇也; 伊藤崇明; 野間和夫; 杉山淳子; 門前一 , 日本診療放射線技師会誌 , 71 , 10 , 2024
  3. The impact of target’s air content on dose calculation in volumetric modulated arc therapy for the head and neck , 伊藤崇晃; 伊藤崇晃; 柳勇也; 酒井優佑; 小坂浩之; 稲田正浩; 土井啓至; 浜田誠; 門前一 , 日本診療放射線技師会誌 , 71 , 10 , 2024

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Patents

  1. 生体電極 , 門前 一, 林雄太
  2. 被検体の位置決め方法およびその方法を用いた放射線治療装置 , 門前 一, 久保和輝
  3. 簡易組み立てベッド、多目的テーブルおよび搬送軽量ボード , 門前 一 , 特許7580706

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Research Grants & Projects

  1. Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, Development of respiratory-gated diagnostic X-ray and body motion detection system with micro-wave technology , Kindai University
  2. 日本学術振興会, 科学研究費助成事業, 次世代型低温可塑性ボーラスおよび患者固定具の開発 , 近畿大学
  3. Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C), Development of standard guidelines based on dosimetry for the introduction of new radionuclide therapies , Kindai University

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