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Measured Dose versus Organ Dose Performance in Digital Mammography Systems

机译:数字化乳腺摄影系统中的实测剂量与器官剂量性能

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The results of a dose survey of digital x-ray imaging equipment in a breast screening programme have been used to compare the measured dose values to the dose values displayed by the mammography systems. A total of 12,104 images were used in the survey, acquired on three types of digital mammography system: GE Essential, Hologic Selenia and Sectra MDM L30. The results reveal that estimates of the MGD were largely similar between measured and displayed dose for all models in the survey. It was found that large discrepancies could occur on individual systems which may be attributable to various factors including inaccurate QA measurement data and poorly calibrated mammography systems.
机译:乳房筛查程序中的数字X射线成像设备的剂量调查结果已用于将测量的剂量值与乳腺X线照相系统显示的剂量值进行比较。本次调查总共使用了12,104张图像,这些图像是通过三种类型的数字乳腺X线照相系统获取的:GE Essential,Hologic Selenia和Sectra MDM L30。结果表明,在调查中所有模型的测量剂量和显示剂量之间,MGD的估算值基本相似。发现在单个系统上可能会出现较大差异,这可能归因于各种因素,包括不正确的QA测量数据和校准不正确的乳腺摄影系统。

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