title: Histiocytosis X of the scalp and face responding to topical nitrogen mustard.
mesh_terms: D000287:Administration, Topical; D000328:Adult; D005153:Facial Neoplasms / Q000188:drug therapy*; D006646:Histiocytosis, Langerhans-Cell / Q000188:drug therapy* / Q000473:pathology; D006801:Humans; D008297:Male; D008466:Mechlorethamine / Q000008:administration & dosage* / Q000627:therapeutic use; D012535:Scalp / Q000473:pathology*; D012878:Skin Neoplasms / Q000188:drug therapy* / Q000473:pathology
chemical_list: D008466:Mechlorethamine