title: Central nervous system complications of leukemic conversion of the lymphomas.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007278:Injections, Spinal; D007938:Leukemia / Q000150:complications*; D016403:Lymphoma, Large B-Cell, Diffuse / Q000150:complications*; D008228:Lymphoma, Non-Hodgkin / Q000150:complications*; D008297:Male; D008579:Meningioma / Q000188:drug therapy / Q000209:etiology*; D008581:Meningitis / Q000209:etiology*; D008727:Methotrexate / Q000627:therapeutic use; D008875:Middle Aged
chemical_list: D008727:Methotrexate