Women age 70 and older, those whose imaging findings indicated calcification, and women with extremely dense breast tissue all had statistically higher likelihood of malignancy than women in other categories. Elezaby, MD, of the University of Wisconsin School of Medicine and Public Health, and co-authors wrote.Īlthough overall malignancy rates were low, the review did identify several factors associated with higher malignancy rates after an initial BIRADS-3 diagnosis, including age, imaging finding type, and breast tissue density. “The substantial BI-RADS 3 rate in diagnostic mammography, although maintaining low cancer yield, highlights an opportunity for future research to redefine imaging criteria and benchmarks for diagnostic BI-RADS 3 use, to minimize unnecessary healthcare costs and patient anxiety,” Mai A. While a low cancer yield is clearly good news for the patients in question, it also raises questions for the study’s authors about whether benign findings may be overdiagnosed as BI-RADS category 3 cases.
91%, well under the 2% benchmark for the category. Among women who underwent adequate follow-up after the initial BI-RADS 3 classification-either through imaging follow-up after at least 24 months or a biopsy-patient-level likelihood of malignancy was just. The findings showed that in spite of heavy utilization of the category, overall cancer yield for these cases is low. A new JACR study reviewed data from more than 3 million diagnostic mammograms in the National Mammography Database, analyzing outcomes for the 15.5% of cases initially classified as “probably benign” under BI-RADS category 3.
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