MONTE-CARLO CALCULATION OF CONVERSION FACTORS FOR THE ESTIMATION OF MEAN GLANDULAR BREAST DOSE
MONTE-CARLO CALCULATION OF CONVERSION FACTORS FOR THE ESTIMATION OF MEAN GLANDULAR BREAST DOSE
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DOI：
10.1088/0031-9155/35/9/002
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发表时间：
1990-09-01
影响因子：
3.5
通讯作者：
DANCE, DR
中科院分区：
文献类型：
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作者：
DANCE, DR
关于乳房X射线摄影系统的调试和常规测试的IPSM报告建议将乳房剂量指定为乳房内腺体组织的平均剂量，并给出了用于剂量比较的标准乳房体模的尺寸和组成。通过测量有机玻璃体模的入射空气比释动能并应用适当的乘法转换因子，可以确定该标准乳房体模的剂量。这些转换因子已被评估的Monte Carlo计算范围广泛的乳房X射线光谱。为一系列乳房厚度提供了一些因素，以补充现有的表格。还给出了有机玻璃和乳腺组织等效厚度的结果。
The IPSM report on the commissioning and routine testing of mammographic x-ray systems recommends that breast dose be specified as the mean dose to the glandular tissues within the breast and gives the size and compositions of a standard breast phantom for the comparison of doses. The dose to this standard breast phantom can be determined by measuring the incident air kerma to a Perspex phantom and applying appropriate multiplicative conversion factors. These conversion factors have been evaluated by Monte Carlo calculations for a wide range of mammographic x-ray spectra. Some factors are provided for a range of breast thicknesses to supplement existing tabulations. Results are also given for equivalent thickness of Perspex and breast tissue.