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KMID : 0357520200430030169
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Journal of Radiological Science and Technology
2020 Volume.43 No. 3 p.169 ~ p.176
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Feasibility of the 3D Printing Materials for Radiation Dose Reduction in Interventional Radiology
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Cho Yong-In
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Abstract
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Interventional radiology is performed under real-time fluoroscopy, and patients are exposed to a wide range of exposures for a long period of time depending on the examination and procedure. However, studies on radiation protection for patients during an intervention are insufficient. This study aims to evaluate the doses exposed during the intervention and the applicability of 3D printing materials. The organ dose for each intervention site was evaluated using a monte carlo simulatio. Also, the dose reduction effect of the critical organs was calculated when using a shielding device using 3D printing materials. As a result, the organ dose distribution for each intervention site showed a lower dose distribution for organs located far from the x-ray tube. It was analyzed that the influence of scattered rays was higher in the superficial organs of the back of the human body where x-rays were incident. The dose reduction effect on the critical o rgan u sing t he 3 D printing shield s howed the highest testis among t he g onads, a nd in the case o f other organs, the dose reduction effect gradually decreased in the order of the eye, thyroid, breast, and ovary. Accordingly, it is judged that the 3D printed shield will be sufficiently usable as a shielding device for the radiation protection of critical organs.
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KEYWORD
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Interventional radiology, Monte Calro simulation, Critical organ, 3D Printing materials, Radiation shield
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