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 NeoplasmsNeuroblastomaRhabdoid TumorMaxillary NeoplasmsTumor Markers, BiologicalNeoplasms, Germ Cell and EmbryonalThoracic NeoplasmsCentral Nervous System NeoplasmsNeural PlateChromosomes, Human, Pair 11Oncogene Proteins, FusionAstrocytomaImmunohistochemistryOrbital NeoplasmsVincristineIfosfamideFatal OutcomeTomography, X-Ray ComputedCell Line, TumorTranslocation, GeneticGanglioneuromaSkull NeoplasmsParaparesisThoracic WallTeratomaNeoplasms, Nerve TissuePeripheral Nervous System NeoplasmsTumor BurdenTumor Necrosis Factor-alphaEtoposidePineal GlandAntigens, NeoplasmCombined Modality TherapyChromosomes, Human, Pair 17RhabdomyosarcomaNeurofilament ProteinsGliomaAbdominal NeoplasmsMagnetic Resonance ImagingRetinoblastomaTumor Cells, CulturedThoracic Surgical ProceduresCranial IrradiationDNA, NeoplasmCyclophosphamideGangliosidesPhosphopyruvate HydrataseSoft Tissue NeoplasmsLomustineSynaptophysinGenes, mycIn Situ Hybridization, FluorescenceAntineoplastic Combined Chemotherapy ProtocolsReverse Transcriptase Polymerase Chain ReactionTreatment OutcomeThiotepaNeoplasm ProteinsCell Transformation, NeoplasticCell DivisionTranscription FactorsNeoplasm Recurrence, LocalEctodermPolymerase Chain ReactionRNA, MessengerWilms TumorAntibodies, MonoclonalCell DifferentiationImmunoenzyme TechniquesGene AmplificationGene Expression Regulation, NeoplasticNeoplasms, ExperimentalGenes, Tumor SuppressorMolecular Sequence DataBase SequenceBiopsy, NeedleDisease ProgressionDoxorubicinCarcinoid TumorGene RearrangementSurvival AnalysisNeoplasmsBiopsyDNA-Binding ProteinsPrognosis