REPORT OF A CASE
A 60-year-old man presented with a 7-year history of slowly enlarging pruritic plaques and nodules on the right side of his face. He had no history of trauma to the area, was receiving no medication, and had no significant medical history.Physical examination disclosed numerous erythematous, indurated plaques and nodules on the right side of the forehead and the right cheek (Fig 1). No lymphadenopathy was present. The splenic tip was palpable. Results of the remainder of the physical examination were normal.Results of a complete blood cell count, measurement of serum glucose, serum urea nitrogen, and serum electrolytes, urinalysis, chest roentgenogram, and computed tomography of the abdomen were normal. A bone marrow biopsy specimen showed decreased iron stores but was otherwise normal.Representative sections of a biopsy specimen from the forehead are shown in Figs 2 and 3.What is your diagnosis?
Schweitzer WJ, Goldin HM, Bronson DM, Brody PE. Indurated Plaques and Nodules on the Face. Arch Dermatol. 1989;125(9):1267–1268. doi:10.1001/archderm.1989.01670210105021
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