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http://dx.doi.org/10.4313/JKEM.2010.23.10.826

The Effect of Scattering Dose on the Thyroid During Mammography  

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)
Publication Information
Journal of the Korean Institute of Electrical and Electronic Material Engineers / v.23, no.10, 2010 , pp. 826-830 More about this Journal
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
Scattering dose; Mammography; Thyroid; breast;
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