Neuroectodermal Tumors, PrimitiveNeuroectodermal TumorsNeuroectodermal Tumors, Primitive, PeripheralNeuroectodermal Tumor, MelanoticSarcoma, EwingMedulloblastomaCerebellar NeoplasmsSupratentorial NeoplasmsBrain NeoplasmsProto-Oncogene Protein c-fli-1RNA-Binding Protein EWSPinealomaChromosomes, Human, Pair 22EpendymomaSarcoma, Small CellSpinal Cord NeoplasmsNeuroblastomaBone NeoplasmsRhabdoid TumorMaxillary NeoplasmsTumor Markers, BiologicalNeoplasms, Germ Cell and EmbryonalThoracic NeoplasmsCentral Nervous System NeoplasmsPrimitive StreakImmunohistochemistryNeural PlateOncogene Proteins, FusionChromosomes, Human, Pair 11IfosfamideAstrocytomaVincristineOrbital NeoplasmsTomography, X-Ray ComputedFatal OutcomeCombined Modality TherapyCell Line, TumorTranslocation, GeneticEtoposideCyclophosphamideGanglioneuromaPeripheral Nervous System NeoplasmsParaparesisThoracic WallTeratomaSkull NeoplasmsCell DifferentiationNeoplasms, Nerve TissueTumor Necrosis Factor-alphaHematopoietic Stem CellsAntineoplastic Combined Chemotherapy ProtocolsAntigens, NeoplasmTumor Cells, CulturedPineal GlandHematopoietic Stem Cell MobilizationTreatment OutcomeNeurofilament ProteinsRhabdomyosarcomaMagnetic Resonance ImagingChromosomes, Human, Pair 17Tumor BurdenAbdominal NeoplasmsReverse Transcriptase Polymerase Chain ReactionCell DivisionPeripheral NervesRNA, MessengerGliomaRetinoblastomaHematopoietic Stem Cell TransplantationDNA, NeoplasmMolecular Sequence DataThoracic Surgical ProceduresCranial IrradiationPolymerase Chain ReactionEctodermThiotepaTranscription FactorsAntigens, CD34In Situ Hybridization, FluorescenceSoft Tissue NeoplasmsGranulocyte Colony-Stimulating FactorPhosphopyruvate HydrataseBase SequenceTime FactorsGangliosidesSynaptophysinAntibodies, MonoclonalLomustineGenes, mycPeripheral Blood Stem Cell TransplantationNeoplasm ProteinsCell Transformation, NeoplasticLeukapheresisImmunoenzyme TechniquesWilms TumorNeoplasm Recurrence, LocalDNA-Binding ProteinsSurvival AnalysisNeoplasmsCell Line