Course: Ulcerated Plaques on the Scalp and Dorsal Hands of an Older Man
CME Credits: 1.00
Released: 2022-04-28
A man in his 60s with a history of hypertension and hyperlipidemia presented to dermatology clinic with a 4-month history of fatigue, night sweats, and weight loss and 2 months of enlarging lesions on his scalp and hands. He reported no new medications or recent infection. His temperature was 37.5 °C (99.5 °F); heart rate, 102/min; blood pressure, 98/72 mm Hg; respiratory rate, 12/min; and oxygen saturation, 94% on room air. His skin examination revealed 3 tender, nonfluctuant 10-cm scalp plaques with overlying hemorrhagic crust and necrosis on an erythematous indurated base (, left panel). Similar-appearing papules and plaques were present on the dorsal surfaces of his hands. The remainder of his physical examination was normal.
Educational Objective
Based on this clinical scenario and the accompanying image, understand how to arrive at a correct diagnosis.
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