It is not surprising to find tinea circinata in one or several adult members of the families of children suffering from tinea capitis caused by the genus Microsporum. The following case is reported because of the unusual site of an infection with Microsporum audouini in an adolescent, presumably contracted from her young brother, who had tinea capitis.
REPORT OF CASE
D. M., a 17-year-old girl, was first seen by us on March 17, 1953. She presented circinate to imbricate lesions on the mons veneris. There were satellite lesions on the lower abdomen with a tendency to spread toward the right inguinal region (Figure). The disease was of three months' duration and had been unsuccessfully treated with various ointments.
Examination under filtered ultraviolet light revealed bright-green fluorescence of the pubic hair. The scalp, axillae, and the rest of the body were free of infection.
Microscopically, hairs from the pubic region showed