Case 37

Authors: Isil Yildiz-Aktas, M.D. and Walid E. Khalbuss, M.D., Ph.D., University of Pittsburgh Medical Center (UPMC), Pittsburgh, PA, USA.

Reviewed by: Rosemary H. Tambouret, M.D., Massachusetts General Hospital, Boston, MA, USA.

A 24 year old woman presented with breast mass. The patient has large breasts and wears an underwire bra. The breast mass is located in the right lower outer quadrant near the end of the wire. An US-guided FNA was performed. Aspirated material was submitted for cytological evaluation.

What is the most likely diagnosis of this case?