[Perianal histiocytosis X].
D000368:Aged; D001004:Anus Diseases / Q000473:pathology*; D005260:Female; D006646:Histiocytosis, Langerhans-Cell / Q000473:pathology* / Q000532:radiotherapy; D006801:Humans; D009092:Mucous Membrane / Q000648:ultrastructure
Perianal histiocytosis-X.