Journal of the Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회논문지)

The Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회)
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The Effect of Scattering Dose on the Thyroid During Mammography

Mammography시 Thyroid에 미치는 산란선량에 관한 연구

  • Lee, Mi-Hwa (Department of Diagnostic Radiology, East-West Neo Medical Center) ;
  • Dong, Kyung-Rae (Department of Radiological Technology, Gwangju Health College University) ;
  • Park, Seo-Joo (Department of Diagnostic Radiology, East-West Neo Medical Center) ;
  • Whang, Sun-Kwang (Department of Diagnostic Radiology, East-West Neo Medical Center)
  • 이미화 (경희대학교 동서신의학병원 영상의학과) ;
  • 동경래 (광주보건대학 방사선과) ;
  • 박서주 (경희대학교 동서신의학병원 영상의학과) ;
  • 황선광 (경희대학교 동서신의학병원 영상의학과)
  • Received : 2010.09.02
  • Accepted : 2010.09.20
  • Published : 2010.10.01
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Abstract

This study examined the effect of the scattering dose on the thyroid during a mammography examination. One hundred subjects for a mammography examination were enrolled in this study. The average glandular dose (AGD) and thyroid scattering dose (TSD) were measured. Statistical analysis was carried out using the percentage, t-test and co-variance. The mean radiation exposure to the breast and thyroid was $1.08{\pm}0.16$ and $0.14{\pm}0.04$ mGy, respectively. The percentage TSD to the AGD was 31.19%. There was no difference between the Rt. and Lt., and CC to MLO, and radiation dose to the TSD was 13.78% of the breast. Therefore, the volume of radiation exposure to the thyroid was 54.12% in a single routine mammography examination. These results suggest that the TSD was increased by increasing radiation dose to the breast. A thyroid protector is considered necessary to decrease the level of radiation exposure.

Keywords

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