title: Primitive neuroectodermal tumor.
mesh_terms: D002528:Cerebellar Neoplasms / Q000473:pathology*; D002531:Cerebellum / Q000473:pathology*; D002648:Child; D006801:Humans; D008297:Male; D008527:Medulloblastoma / Q000145:classification / Q000473:pathology*; D012208:Rhabdomyosarcoma / Q000473:pathology*