Abstract
ObjectiveThe objective was to investigate whether risk stratification of mammographic Breast Imaging: Reporting and Data System (BI-RADS) 3 can be accomplished in the diagnostic setting. MethodsWe analyzed 4941 BI-RADS-3-rated patients (23 malignant outcomes) and built logistic-regression models with age, personal and family history of breast cancer, fibroglandular density, and additional mammographic findings as predictive variables. ResultsA personal history of breast cancer (odds ratio: 5.53) and older age (odds ratio: 12.44/10.93 for age 50–64/>64) are independent risk factors. Patients with both risk factors have a risk >2%. ConclusionBiopsy may be warranted in older patients with a history of breast cancer who would be otherwise assigned BI-RADS 3.
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