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Breast cancer screening programs moved from film to digital mammography during the first decade of the 21st century, primarily for workflow reasons, but improved cancer detection was also anticipated. After the change, it was found that digital mammography indeed detected more cancers than film mammography, particularly ductal carcinomas in situ (DCIS), with smaller increases in invasive cancer detection. However, most studies found no change in the reporting of interval cancers, suggesting that increased screening detection might predominantly be of slower growing (or even non‐progressive) cancers. At the same time, the transition to digital mammography was accompanied by a clear increase in recall rates, mostly related to false positive findings.

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Authors: Rachel Farber, Nehmat Houssami, Kevin McGeechan, Alexandra L Barratt and Katy JL Bell

Article Type: Research