Case 7

E. Popcorn-like calcification

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Explanation: These are the large, coalescent, coarse or “popcorn-like” calcifications that are typical of an involuting fibroadenoma.  

There are actually probably two or three adjacent fibroadenomas in this location. The dominant large calcification represents the end stage of an entirely calcified involuting fibroadenoma. The smaller adjacent popcorn-like calcifications represent an earlier stage of involution in a different fibroadenoma.

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What is the best BI-RADS assessment for this finding?

A. BI-RADS 0 (Incomplete); Recommend diagnostic ultrasound
B. BI-RADS 2 (Benign); Recommend one year follow-up
C. BI-RADS 3 (Probably Benign); Recommend six month follow-up
D. BI-RADS 4 (Suspicious); Recommend biopsy