FIGURE A: Ulcers with high, well-defined edges, covered with necrotic and purulent material on the inner side of the left thigh. A 53-year-old man presented with a 4-month history of… Click to show full abstract
FIGURE A: Ulcers with high, well-defined edges, covered with necrotic and purulent material on the inner side of the left thigh. A 53-year-old man presented with a 4-month history of painful lesions on the inner side of his left thigh with drainage of purulent secretion. His past medical history included gouty arthritis and chronic use of corticosteroids for eight years. On physical examination, he had ulcers with high, well-defined edges, covered with necrotic and purulent material on the inner side of the left thigh, resembling pyoderma gangrenosum (Figure A). Histopathological examination revealed dermis with a diffuse infiltrate mixed with lymphocytes, histiocytes, neutrophils and plasma cells. Numerous
               
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