Characteristics of Probably Benign Breast MRI Lesions
Peter R. Eby, Wendy B. DeMartini, Robert L. Gutierrez, Monica H. Saini, Sue Peacock, and Constance D. Lehman
AJR 2009;193:861-867
Indeterminate lesions on high risk screening MRI are the bane of the radiologists life. Some insurance carriers will not pay for 6 month MRI follow up scans of probably benign lesions, so a review and recommendations for management by Connie Lehman and her group in Washington is very welcome.
The characteristics of BI-RADS 3 lesions were highly variable in our population, and the risk of malignancy was low (0.85%).
Assigning foci with 100% persistent enhancement to the BI-RADS 2 category can decrease the frequency of BI-RADS 3 assessment and maintain a likelihood of malignancy in less than 2% of cases
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