Derm Dx: Multiple spreading skin lesions in a Vietnam War veteran

A 67-year-old man presented with complaints of pain and discomfort associated with multiple spreading skin lesions and enlarging lymph nodes. He also noted a 10-kg weight loss and fatigue. There was no previous medical or surgical history.

The patient had no known drug allergies and was not taking any medications. However, he had been exposed to Agent Orange (2,3,7,8-tetrachlorodibenzo-p-dioxin) in ...