title: [A case of histiocytosis X with atypical histological characters].
mesh_terms: D002675:Child, Preschool; D005260:Female; D006646:Histiocytosis, Langerhans-Cell / Q000188:drug therapy / Q000473:pathology*; D006801:Humans; D008727:Methotrexate / Q000627:therapeutic use
chemical_list: D008727:Methotrexate
vernacular_title: Su di un caso di istiocitosi X con caratteri istologici atipici