Journal of radiological science and technology (대한방사선기술학회지:방사선기술과학)

Korean Society of Radiological Science (대한방사선과학회)
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Feasibility of the 3D Printing Materials for Radiation Dose Reduction in Interventional Radiology

인터벤션 시술 시 환자의 선량감소를 위한 3D 프린팅 재료의 적용성 평가

  • Cho, Yong-In (Department of Radiology, Dongnam Institute of Radiological & Medical Sciences Cancer center)
  • 조용인 (동남권원자력의학원 영상의학과)
  • Received : 2020.04.21
  • Accepted : 2020.06.04
  • Published : 2020.06.30
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Abstract

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 organ using the 3D printing shield showed the highest testis among the gonads, and in the case of 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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References

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