Slides

A 59-year-old man with a history of chronic lymphocytic leukemia, hypertension, hyperlipidemia, and chemotherapy-induced leukopenia presents with painful ulcers on his right arm. The patient first noticed erythematous plaques 6 days prior; each lesion has progressed to form an ulcer with a central eschar. The patient is currently taking rituximab, hydrochlorothiazide, low-dose aspirin, and atorvastatin.…