28 December 2021: Image Quiz #72

Author: Gary Tozbikian, M.D.

A 25 year old woman presents with a 3 cm breast mass. An ultrasound guided biopsy shows a fibroepithelial lesion. Which histologic feature is consistent with a diagnosis of fibroadenoma?

Select an answer:

A. Circumscribed borders

B. Marked stromal cytologic atypia

C. Stromal condensation around glandular structures

D. Stromal mitotic activity (7 – 8/10 high power fields)

E. Stromal overgrowth

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