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Woman with a hand ulcer

A 20-year-old woman presented to the emergency department for evaluation of a wound to left hand (Fig. 1). She admitted having a history of chronic severe headaches requiring daily use of analgesics. She first noted the ulcer approximately 10 months prior to presentation. Her examination was remarkable for a 10-cm by 8-cm ulceration to the dorsum of her left hand with exposed and necrotic metacarpals. Fibrous exudate was present in the wound-bed, and the ulcer was associated with a foul odor. She was afebrile on presentation with a peripheral white blood cell count of 6.4 x109/L, CRP 1.9 mg/dL, and ESR 15 mm/h.