Unusual location of syphilitic alopecia: a case report.

A case of syphilitic alopecia on the legs of young man is described. Both positive serologic tests and the clinical response to treatment with penicillin suggest that this alopecia was due to syphilis. This report suggests that the physician should be aware of the possible unusual location of syphilitic alopecia at sites other than the scalp, eyebrows, and beard.