Neuroectodermal Tumors, PrimitiveNeuroectodermal TumorsNeuroectodermal Tumors, Primitive, PeripheralSarcoma, EwingMedulloblastomaCerebellar NeoplasmsSupratentorial NeoplasmsBrain NeoplasmsRNA-Binding Protein EWSProto-Oncogene Protein c-fli-1Neuroectodermal Tumor, MelanoticPinealomaEpendymomaSpinal Cord NeoplasmsChromosomes, Human, Pair 22Sarcoma, Small CellRhabdoid TumorBone NeoplasmsCentral Nervous System NeoplasmsOrbital NeoplasmsThoracic NeoplasmsIfosfamideOncogene Proteins, FusionParaparesisNeuroblastomaFatal OutcomePrimitive StreakThoracic WallVincristineAstrocytoma