title: Recurrent medulloblastoma. Lack of response to high-dose methotrexate.
mesh_terms: D000293:Adolescent; D001772:Blood Cell Count; D001806:Blood Urea Nitrogen; D002528:Cerebellar Neoplasms / Q000188:drug therapy*; D002648:Child; D002675:Child, Preschool; D003404:Creatinine / Q000097:blood; D004334:Drug Administration Schedule; D004573:Electrolytes / Q000097:blood; D006801:Humans; D008297:Male; D008527:Medulloblastoma / Q000188:drug therapy*; D008727:Methotrexate / Q000008:administration & dosage* / Q000134:cerebrospinal fluid; D009364:Neoplasm Recurrence, Local / Q000188:drug therapy*; D011379:Prognosis
chemical_list: D004573:Electrolytes; D003404:Creatinine; D008727:Methotrexate