Neuroectodermal Tumors, PrimitiveNeuroectodermal TumorsNeuroectodermal Tumors, Primitive, PeripheralSarcoma, EwingMedulloblastomaCerebellar NeoplasmsSupratentorial NeoplasmsNeuroectodermal Tumor, MelanoticBrain NeoplasmsRNA-Binding Protein EWSProto-Oncogene Protein c-fli-1PinealomaEpendymomaSpinal Cord NeoplasmsChromosomes, Human, Pair 22Sarcoma, Small CellRhabdoid TumorBone NeoplasmsCentral Nervous System NeoplasmsThoracic NeoplasmsWorld Health OrganizationOrbital NeoplasmsIfosfamideOncogene Proteins, FusionNeuroblastomaParaparesisFatal OutcomeVincristineThoracic WallAstrocytomaNeoplasms, Germ Cell and EmbryonalImmunohistochemistryTomography, X-Ray ComputedChromosomes, Human, Pair 11Abdominal NeoplasmsTumor Markers, BiologicalChromosomes, Human, Pair 17EtoposideTranslocation, GeneticTeratomaPineal GlandCranial IrradiationNeurofilament ProteinsLomustineCombined Modality TherapyMagnetic Resonance ImagingWorld HealthCyclophosphamideThiotepaRhabdomyosarcomaSoft Tissue NeoplasmsIn Situ Hybridization, FluorescenceTumor Cells, CulturedAntineoplastic Combined Chemotherapy ProtocolsTreatment OutcomeGene RearrangementDNA, NeoplasmInfant, NewbornGliomaHealth StatusMaxillary NeoplasmsPolymerase Chain ReactionGene AmplificationPublic Health