Case 29 Answer

BI-RADS 4, Suspicious. This most likely represents a papilloma, but any symptomatic solid mass is considered suspicious, and cannot be "probably benign". Papillary carcinomas and DCIS are occasional causes of bloody discharge.

This patient wanted to avoid surgery at all costs, so we excised the lesion using a Mammotome vacuum-assisted biopsy device. We left a clip at the biopsy site in case any malignant or atypical cells were found.


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What is the diagnosis?