title: Histiocytosis X.
mesh_terms: D002455:Cell Division; D006646:Histiocytosis, Langerhans-Cell / Q000378:metabolism / Q000473:pathology*; D006801:Humans; D009418:S100 Proteins / Q000032:analysis; D012867:Skin / Q000378:metabolism / Q000473:pathology*
chemical_list: D009418:S100 Proteins