2016
DOI: 10.1118/1.4960630
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Impact of compressed breast thickness and dose on lesion detectability in digital mammography: FROC study with simulated lesions in real mammograms

Abstract: These data using clinical images confirm results found in simple QA tests for many mammography systems that detectability falls as breast thickness increases. Results obtained with the AEC setup for constant detectability above 49 mm showed an increase in lesion detection with compressed breast thickness, bringing detectability of lesions to the same level.

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Cited by 16 publications
(20 citation statements)
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“…Some adjustment of image processing is likely to be required when displaying images acquired under the new regulation; however the underlying SDNR(u) remains at the target level and task performance will remain consistent with SNDR(u). Salvagnini et al (Salvagnini et al 2016) found improved task performance when NPWE detectability increased to some target level (though an increase in DAK), leading to reduced image noise and improved microcalcification detection in thicker breasts.…”
Section: Discussionmentioning
confidence: 99%
“…Some adjustment of image processing is likely to be required when displaying images acquired under the new regulation; however the underlying SDNR(u) remains at the target level and task performance will remain consistent with SNDR(u). Salvagnini et al (Salvagnini et al 2016) found improved task performance when NPWE detectability increased to some target level (though an increase in DAK), leading to reduced image noise and improved microcalcification detection in thicker breasts.…”
Section: Discussionmentioning
confidence: 99%
“…Regarding the result of table 2, the assembly test for mammography units and thickness scale accuracy was the most frequent failure in this work, followed by mechanical stability and mobility of the freestanding mammography unit. These kinds of failures could lead to an increase in the radiation dose for patients, and an incorrect positioning could lead to low image quality [31,32]. The number of mean specks groups, masses, and fibers observed in figure 3 is relatively lower than previously reported [16,[33][34][35].…”
Section: Discussionmentioning
confidence: 74%
“…The line pair test object is able to do this for the small pixel devices, but the clinical relevance of this test object is questionable. For example, in the transition from screen film based mammography to digital mammography, the line pair resolution test was supplanted in the QC protocols by a c-d test object based method ( van Engen et al 2006van Engen et al , 2013 that could be related to calcification detection performance (Warren et al 2012, Salvagnini et al 2016. High resolution perovskite detectors with smaller pixels are being developed (Kim et al 2017, Datta et al 2021, Wu et al 2022 and standard performance metrics such as DQE (IEC 2015) will likely be used to quantify imaging performance.…”
Section: Discussionmentioning
confidence: 99%