Skin Lesion Found on 54-Year-Old Patient

December 28, 2016

A 54-year-old woman is found to have a skin lesion on her right arm, and a biopsy is performed. What is your diagnosis?

A 54-year-old woman is found to have a skin lesion on her right arm, and a biopsy is performed.

Based on the image shown, what is your diagnosis?