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 PlateImmunohistochemistryChromosomes, Human, Pair 11Oncogene Proteins, FusionAstrocytomaOrbital NeoplasmsTomography, X-Ray ComputedVincristineIfosfamideFatal OutcomeCell Line, TumorTranslocation, GeneticSkull NeoplasmsGanglioneuromaParaparesisThoracic WallFocal AdhesionsTeratomaNeoplasms, Nerve TissueMagnetic Resonance ImagingPeripheral Nervous System NeoplasmsTumor Necrosis Factor-alphaTumor BurdenEtoposideCombined Modality TherapyAntigens, NeoplasmPineal GlandRhabdomyosarcomaChromosomes, Human, Pair 17GliomaNeurofilament ProteinsTumor Cells, CulturedAbdominal NeoplasmsRetinoblastomaCranial IrradiationThoracic Surgical ProceduresDNA, NeoplasmCyclophosphamideGangliosidesPhosphopyruvate HydrataseSoft Tissue NeoplasmsSynaptophysinLomustineIn Situ Hybridization, FluorescenceGenes, mycTreatment OutcomeReverse Transcriptase Polymerase Chain ReactionAntineoplastic Combined Chemotherapy ProtocolsCell DivisionRNA, MessengerCell Transformation, NeoplasticNeoplasm ProteinsPolymerase Chain ReactionTranscription FactorsNeoplasm Recurrence, LocalThiotepaEctodermAntibodies, MonoclonalWilms TumorCell DifferentiationImmunoenzyme TechniquesGene AmplificationMolecular Sequence DataGene Expression Regulation, NeoplasticNeoplasms, ExperimentalGenes, Tumor SuppressorDisease ProgressionBase SequenceBiopsy, NeedleBiopsyDoxorubicinNeoplasmsSurvival AnalysisCarcinoid TumorPrognosisDNA-Binding Proteins