title: Glioblastoma multiforme following prophylactic cranial irradiation and intrathecal methotrexate in a child with acute lymphocytic leukemia.
mesh_terms: D001932:Brain Neoplasms / Q000209:etiology*; D002675:Child, Preschool; D005909:Glioblastoma / Q000209:etiology*; D006801:Humans; D007278:Injections, Spinal; D007945:Leukemia, Lymphoid / Q000628:therapy*; D008297:Male; D008727:Methotrexate / Q000008:administration & dosage / Q000009:adverse effects*; D009381:Neoplasms, Radiation-Induced; D011878:Radiotherapy / Q000009:adverse effects*; D013997:Time Factors
chemical_list: D008727:Methotrexate