Thigh Mass Found in 67-Year-Old Patient

Thigh Mass Found in 67-Year-Old Patient

July 28, 2017

A 67-year-old man presents with a mass in his right thigh, and a biopsy is performed. What is your diagnosis?

A 67-year-old man presents with a mass in his right thigh, and a biopsy is performed.

Based on the image shown, what is your diagnosis?