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Results of Comprehensive Dose Survey for Mammography

机译：乳腺摄影综合剂量调查的结果

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摘要

Results of a dose survey carried out at BreastCheck, the Irish Breast Screening Program are presented. The survey includes 12,529 images acquired with GE Essential, Hologic Selenia and Sectra MDM digital mammography systems. The average MGD per examination was 2.74±0.04mGy, the average compressed breast thickness was 61.4±0.53mm and the average compression force was 10.9±0.7daN. Results for the three different systems are reported and the distribution of the most utilised target/filter combinations are also included. The results from this survey of a completely digital screening programme reveal a complete reversal of trend in target/filter selection with Mo/Mo usage at 0.3% and Rh/Rh selection at 36.6%. Indeed, the predominant use of novel target/filter combinations is evident from this survey. A DRL value of 1.75mGy has been established by calculating the 95th per-centile of the average MGD for compressed breast thicknesses ranging from 55mm-65mm.
机译：介绍了在爱尔兰乳腺癌筛查计划BreastCheck上进行的剂量调查的结果。该调查包括使用GE Essential，Hologic Selenia和Sectra MDM数字乳腺摄影系统获取的12,529张图像。每次检查的平均MGD为2.74±0.04mGy，平均受压乳房厚度为61.4±0.53mm，平均受压力为10.9±0.7daN。报告了三种不同系统的结果，还包括了最常用的目标/过滤器组合的分布。这项针对完全数字筛选程序的调查结果显示，目标/过滤器选择趋势完全逆转，Mo / Mo使用率为0.3％，Rh / Rh选择为36.6％。确实，从这项调查中可以明显看出，新型目标/过滤器组合的主要用途。通过计算55mm-65mm范围内的压缩乳房厚度，平均MGD的第95个百分位数，可以确定DRL值为1.75mGy。

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