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http://dx.doi.org/10.6109/jkiice.2020.24.9.1132

Analysis of breast shielding rate of bismuth shield  

Kim, Jae Seok (Department of Radiology, Ajou University Hospital)
Publication Information
Journal of the Korea Institute of Information and Communication Engineering / v.24, no.9, 2020 , pp. 1132-1137 More about this Journal
Abstract
In order to reduce unnecessary exposure doses generated when mammography is performed using a mammography device, a shielding ratio analysis was performed when a self-made shielding body made of bismuth was applied to the breast opposite to the imaging site. In order to determine the scattering dose of uncompressed breasts during CC and MLO tests when the right and left are compressed, the experiment is divided into when bismuth is not shielded (Not used: NU group) and when shielded (Used: U group). Proceeded. The average dose of the NU group was 9.568μSv, and the average dose of the U group was 1.038μSv. The average measured dose before and after the use of the bismuth shield was reduced by 89.15%. The use of a bismuth shield for mammography can shield scattered radiation and keep exposure to radiation to a minimum.
Keywords
Bismuth shield; Radiation protection; Mammography; Breast cancer;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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