Langerhans cell histiocytosis of vulva.

Cutaneous involvement of the vulva by Langerhans cell histiocytosis in women older than 70 is a rare phenomenon. A tendency of the disease to involve genital areas, has been described. We present a case of a 72-year-old woman, who had cutaneous vulvar involvement by Langerhans-cell histiocytosis, diagnosed by biopsy. An immunohistochemical study is also described.