title: Histiocytosis X confined to the skin of the scalp.
mesh_terms: D000287:Administration, Topical; D000328:Adult; D005260:Female; D006646:Histiocytosis, Langerhans-Cell / Q000188:drug therapy / Q000503:physiopathology*; D006801:Humans; D008466:Mechlorethamine / Q000008:administration & dosage; D012536:Scalp Dermatoses / Q000188:drug therapy / Q000503:physiopathology*
chemical_list: D008466:Mechlorethamine