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Fig. 1A —Malignancy detected by human second reviewer in 52-year-old
woman with ductal carcinoma in situ (DCIS) who presented with group of three
or four punctate calcifications on screening mammograms. At time of screening,
these calcifications had arguably been stable for 3 years. Therefore, human
second reviewer's motivation to recommend additional views is unknown. At
diagnostic visit, radiologist thought that calcifications were stable, but
short-interval follow-up was recommended. At that follow-up visit, radiologist
thought that calcifications had increased in number since mammograms obtained
3.5 years earlier, although differences in technique were considered, and
recommended biopsy. Pathology results were DCIS and calcifications were
associated with carcinoma. Mediolateral oblique view. Photographic enlargement
shows punctate calcifications (arrows) seen on mammograms obtained 3
years before study mammogram.
