A housewife was first seen in our dermatology clinic on March 3, 1956, because of a "rash on the left buttock" which had been present for nine months. Originally small, this lesion had gradually enlarged but had not spread to other regions of the body surface. At the time of onset, July, 1955, the weather was warm, and the patient was in the first trimester of her second pregnancy. After she had been delivered of a healthy boy by Cesarean section in January, the eruption persisted and showed further slow growth. She attempted to treat the eruption with alcohol and with petrolatum (Vaseline) without any success. The lesion was moderately pruritic. The patient denied having had any earlier skin diseases.
On examination, a clinically rather typical tinea circinata with an active scaling border was seen on the left buttock (Figure). Direct examination
ROTHMAN S, KNOX G, WINDHORST D. Tinea Pedis as a Source of Infection in the Family. AMA Arch Derm. 1957;75(2):270–271. doi:10.1001/archderm.1957.01550140114023
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