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유방촬영 시 몬테칼로 전사모사를 이용한 유방 성형 환자의 장기선량 평가

Assessment of Organ Dose in Mammoplasty Patient by Monte Carlo Simulation during Mammography

방사선기술과학 2020년 43권 5호 p.337 ~ 341
김지수, 조용인, 김정훈,
소속 상세정보
김지수 ( Kim Ji-Soo ) - Catholic University of Pusan Department of Radiological Science
조용인 ( Cho Yong-In ) - Dongnam Institute of Radiological and Medical Sciences Department of Diagnostic Radiology
김정훈 ( Kim Jung-Hoon ) - Catholic University of Pusan Department of Radiological Science

Abstract


Although the screening with a mammography has been shown to be economical, simple and effective in detecting breast cancer, it is accompanied by the risk from radiation. Therefore, this study analyzed the glandular dose and organ dose according to the target-filter combination and the presence and absence of implants using Monte Carlo simulation. The results indicate that at a tube voltage of 30 kV and a tube current of 50 mAs, the dose increased in the order of Mo/Mo. Mo/Rh, Rh/Rh and W/Rh in proportion to the atomic number of the target-filter. In addition, in phantom without implant a reduction in dose was seen when compared to the phantom with implant. The organ dose was highest in the lens except for the breast on the examination side regardless of the presence or absence of the implant. These results may contribute to use basic data for the diagnostic reference level of breast plastic surgery patients.

키워드

유방촬영; 유방 성형; 장기선량; 몬테칼로 전사모사; 유방선량
Mammography; Breast implant; Organ dose; Monte carlo simulation; Breast dose

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