대한방사선기술학회지:방사선기술과학 (Journal of radiological science and technology)

  • 제42권2호
  • /
  • Pages.99-104
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  • 2019
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  • 2288-3509(pISSN)
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  • 2384-1168(eISSN)
대한방사선과학회 (Korean Society of Radiological Science)
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유방X선촬영 시 피폭선량 감소를 위한 유방촬영용 차폐복의 유용성에 관한 연구

A Study on the Usefulness of Breast Shielding Apron for Reducing Exposure Dose in Mammography

  • Koo, Bon-Yeoul (Department of Radiology, Yeongdong Hospital) ;
  • Kim, Ji-Won (Department of Biomedical Engineering, Chungnam National University)
  • 투고 : 2019.02.08
  • 심사 : 2019.03.31
  • 발행 : 2019.04.30
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초록

Mammography, conducted every two years, causes cancer due to regular exposure to radiation while reducing rate of death caused by breast cancer. The study evaluates the effect of breast shielding apron made to shield off scattered radiation that occurs to the breast when the opposite side breast is mammogramed. AGD was measured using ACR phantom, composed of 50% mammary glands and 50% fat, and radiation was measured before and after wearing the apron on the breast when the opposite side of the breast is mammogramed. When CC direction mammography was conducted to a breast, the AGD was 1.84 mGy. When CC direction and MLO direction mammography were done to a breast, the average dose detected from the opposite side breast from four directions(top to bottom and medial to lateral) was $140{\mu}Gy$ with maximum dose of $256{\mu}Gy$ at medial side. After putting on the apron, the dose, caused by scattered radiation, was not detected from any of the four directions. Using of breast shielding apron is expected to minimize the radiation exposure by blocking scattered radiation to the breast shielded, when mammography is done to the opposite side breast.

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