Neuroectodermal Tumors, PrimitiveNeuroectodermal TumorsNeuroectodermal Tumors, Primitive, PeripheralNeuroectodermal Tumor, MelanoticSarcoma, EwingMedulloblastomaCerebellar NeoplasmsSupratentorial NeoplasmsBrain NeoplasmsProto-Oncogene Protein c-fli-1RNA-Binding Protein EWSPinealomaChromosomes, Human, Pair 22EpendymomaSpinal Cord NeoplasmsSarcoma, Small CellBone NeoplasmsNeuroblastomaMaxillary NeoplasmsRhabdoid TumorTumor Markers, BiologicalNeoplasms, Germ Cell and EmbryonalThoracic NeoplasmsCentral Nervous System NeoplasmsTomography, X-Ray ComputedImmunohistochemistryChromosomes, Human, Pair 11Neural PlateOncogene Proteins, FusionAstrocytomaFatal OutcomeOrbital NeoplasmsVincristineIfosfamideCell Line, TumorTranslocation, GeneticSkull NeoplasmsGanglioneuromaParaparesisThoracic WallMagnetic Resonance ImagingTeratomaPeripheral Nervous System NeoplasmsNeoplasms, Nerve TissueCombined Modality TherapyTumor BurdenAntigens, NeoplasmEtoposideTumor Necrosis Factor-alphaRhabdomyosarcomaAbdominal NeoplasmsPineal GlandChromosomes, Human, Pair 17GliomaTreatment OutcomeRetinoblastomaNeurofilament ProteinsCranial IrradiationDNA, NeoplasmThoracic Surgical ProceduresTumor Cells, CulturedPolymerase Chain ReactionCyclophosphamideSoft Tissue NeoplasmsIn Situ Hybridization, FluorescenceBiopsyPhosphopyruvate HydrataseGangliosidesLomustineSynaptophysinAntineoplastic Combined Chemotherapy ProtocolsGenes, mycReverse Transcriptase Polymerase Chain ReactionBiopsy, NeedlePrognosisNeoplasm Recurrence, LocalRetrospective StudiesImmunoenzyme TechniquesNeoplasm ProteinsAntibodies, MonoclonalCell Transformation, NeoplasticRNA, MessengerWilms TumorTranscription FactorsThiotepaCell DivisionEctodermDisease ProgressionTime FactorsNeoplasmsCell DifferentiationGene AmplificationSurvival AnalysisMolecular Sequence DataGene Expression Regulation, NeoplasticBase SequenceGenes, Tumor SuppressorNeoplasms, ExperimentalSurvival RateCarcinoid Tumor