title: Histiocytosis X with unusual facial and axillary ulceration responding to topical nitrogen mustard.
mesh_terms: D000328:Adult; D001365:Axilla; D005148:Facial Dermatoses / Q000188:drug therapy* / Q000209:etiology; D006646:Histiocytosis, Langerhans-Cell / Q000150:complications / Q000188:drug therapy*; D006801:Humans; D008297:Male; D008466:Mechlorethamine / Q000627:therapeutic use*; D012883:Skin Ulcer / Q000188:drug therapy / Q000209:etiology
chemical_list: D008466:Mechlorethamine