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 NeoplasmsChromosomes, Human, Pair 11Neural PlateOncogene Proteins, FusionAstrocytomaImmunohistochemistryOrbital NeoplasmsVincristineFatal OutcomeTomography, X-Ray ComputedIfosfamideCell Line, TumorSkull NeoplasmsGanglioneuromaTranslocation, GeneticParaparesisThoracic WallTeratomaNeoplasms, Nerve TissuePeripheral Nervous System NeoplasmsTumor BurdenTumor Necrosis Factor-alphaEtoposideMagnetic Resonance ImagingPineal GlandAntigens, NeoplasmCombined Modality TherapyAbdominal NeoplasmsChromosomes, Human, Pair 17RhabdomyosarcomaNeurofilament ProteinsGliomaRetinoblastomaTumor Cells, CulturedThoracic Surgical ProceduresCranial IrradiationDNA, NeoplasmCyclophosphamideInfant, NewbornGangliosidesPhosphopyruvate HydrataseSoft Tissue NeoplasmsLomustineIn Situ Hybridization, FluorescenceSynaptophysinGenes, mycTreatment OutcomeAntineoplastic Combined Chemotherapy ProtocolsReverse Transcriptase Polymerase Chain ReactionPolymerase Chain ReactionRNA, MessengerTranscription FactorsThiotepaNeoplasm ProteinsCell Transformation, NeoplasticCell DivisionNeoplasm Recurrence, LocalEctodermWilms TumorCell DifferentiationAntibodies, MonoclonalImmunoenzyme TechniquesGene AmplificationMolecular Sequence DataGene Expression Regulation, NeoplasticNeoplasms, ExperimentalGenes, Tumor SuppressorBase SequenceDisease ProgressionBiopsyBiopsy, NeedlePrognosisSurvival AnalysisNeoplasmsDoxorubicinCarcinoid TumorGene Rearrangement