Examination of Application to Radiation Protection Education by Four-dimensional Visualization of Scatter Distribution in Radiological Examination Using Virtual Reality

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  • Fujibuchi Toshioh
    Division of Medical Quantum Science, Department of Health Sciences, Faculty of Medical Sciences, Kyushu University
  • Ueda Koki
    Radiological Science Course, Department of Health Sciences, School of Medicine, Kyushu University (Current address: Division of Radiology, Medical Technology Department Radiology Center, Fukuoka Institute of Occupational Health)
  • Kadoyanagi Saki
    Radiological Science Course, Department of Health Sciences, School of Medicine, Kyushu University (Current address: Department of Radiology, Fukuoka Kinen Hospital)
  • Ueno Daiki
    Radiological Science Course, Department of Health Sciences, School of Medicine, Kyushu University (Current address: Department of Radiology, Japanese Red Cross Fukuoka Hospital)
  • Nakamura Chihiro
    Radiological Science Course, Department of Health Sciences, School of Medicine, Kyushu University (Current address: Department of Radiology, Koga Hospital 21)

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Other Title
  • 仮想現実を利用した放射線検査における散乱線分布の四次元可視化による放射線防護教育への活用法の検討
  • カソウ ゲンジツ オ リヨウ シタ ホウシャセン ケンサ ニ オケル サンラン センブンフ ノ ヨジゲン カシカ ニ ヨル ホウシャセン ボウゴ キョウイク エ ノ カツヨウホウ ノ ケントウ

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Abstract

<p>Purpose: When working on fluoroscopy and patient assistance in a healthcare facility, workers need to understand how to properly protect scattered radiation. In this study, we examined a four-dimensional visualization method to make it easy to understand the spread of scattered radiation visually, and proposed its application to radiation protection education. Methods: We constructed the X-ray room, X-ray CT room, and angiography room using Particle Heavy Ion Transport code System (PHITS), and calculated the scattered radiation distribution when the patient was irradiated with X-rays. The three-dimensional distribution of each moment was continuously displayed to create a four-dimensional distribution. Using the created data, we conducted radiation protection education including exercises to make the students confirm the scatter distribution from any direction. The effectiveness of the scattered radiation visualization data was evaluated by a questionnaire. Results: The position of assistance for standing chest radiograph was less scattered radiation at the side and below the patient. As a result of the questionnaire, this education has confirmed the effect of attracting attention about radiation protection. The fourdimensional visualization allowed students to understand the behavior of radiation and the source of scattered radiation. Conclusion: Visualization of three- and four-dimensional scattered radiation distribution in the radiological examination room can intuitively enhance the understanding of the invisible radiation spread and appropriate aids.</p>

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