A 3D detailed breast model for dose estimation in mammography - Paper 14
Conference
·
OSTI ID:23082867
- Department of Engineering Physics, Tsinghua University, Beijing (China)
- Nuctech Company Limited, Beijing (China)
The risk of radiation-induced breast cancer in mammography should be paid more attention for the number of women choosing mammography for breast cancer screening is increasing, and the recommended tissue weighting factors for breast tissue of ICRP changed from 0.05 in 1990 to 0.12 in 2007. The average dose to the glandular tissue is regarded as the most reasonable dose descriptor related to the risk of breast cancer induced by ionizing radiation. The IAEA protocol for breast dosimetry in mammography at present is based on the calculations of Dance which were based on very simple models of the breast. Therefore it is necessary to construct a more detailed breast model in order to estimate the dose more precisely. A 3D detailed breast model is constructed and Monte Carlo stimulation of mammography is performed based on this model in this paper. A series of glandular tissue dose conversion coefficients for mammography based on the 3D detailed breast model were calculated, which provide available data for the mammographic dosimetry assessment. (authors)
- Research Organization:
- American Nuclear Society - ANS, 555 North Kensington Avenue, La Grange Park, IL 60526 (United States)
- OSTI ID:
- 23082867
- Country of Publication:
- United States
- Language:
- English
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