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KMID : 0357520210440030205
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Journal of Radiological Science and Technology
2021 Volume.44 No. 3 p.205 ~ p.210
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Spatial Dose Distribution for C-arm Examination within Operation Room Using Monte Carlo Method
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Kim Jung-Hoon
Shin Eom-Hyeon
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Abstract
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The purpose of this study was to analyze the spatial dose according to the distance by location of medical workers when using a mobile X-ray fluoroscopy device in the operating room through a simulation experiment. The MCNPX program was used for the simulation, and the location of medical workers was set around the operating table, and the spatial dose distribution according to the distance and changes in imaging conditions was evaluated. As a result, The highest score was 2.74×10-4 mGy, 2.72×10-4 mGy, and 1.18×10-4 mGy based on the 10 cm distance from the operating table. Spatial dose depending on the distance 100cm, A point 5.15×10-5 mGy is decreased 19% of 10cm, D point 5.12×10-5 mGy, 19 % of 10cm , and G pint, 1.73×10-5 mGy is reduced by 15% of 10cm. Based on this study, medical-related workers directly or indirectly participating in surgery carry potential risks of radiation exposure during surgery, but there are difficulties in radiation protection due to the nature of their work. Therefore, efforts to reduce exposure suitable for the operating room environment will be required.
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KEYWORD
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Monte Carlo Method, C-arm, Spatial dose, Surgery, Operating Room
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