REPORT OF A CASE
A 31-year-old previously healthy man presented with a six-month history of two slowly enlarging asymptomatic red plaques on his face. Previous treatment with hydrocortisone and fluocinonide creams and a course of oral erythromycin had no effect. The patient was not using any other medications.Physical examination revealed a 3 × 4-cm indurated red plaque on the left lower aspect of the cheek and a similar 4 × 5-cm plaque on the right side of the chin (Figs 1 and 2). The surface of each plaque was slightly scaly. A potassium hydroxide preparation was negative for fungi. Results of the rest of the skin examination were normal, and there was no organomegaly or lymphadenopathy.A skin biopsy specimen from one of the facial plaques is shown in Figs 3 and 4.What is your diagnosis?
The epidermis showed spongiosis, lymphocytic exocytosis
Schwartz BK, Demos PT, Baughman RD. Indurated Facial Plaques in a Young Man. Arch Dermatol. 1987;123(7):941-942. doi:10.1001/archderm.1987.01660310109027