Neuroectodermal Tumors, PrimitiveNeuroectodermal TumorsNeuroectodermal Tumors, Primitive, PeripheralNeuroectodermal Tumor, MelanoticSarcoma, EwingMedulloblastomaSpinal CordCerebellar NeoplasmsSupratentorial NeoplasmsBrain NeoplasmsProto-Oncogene Protein c-fli-1RNA-Binding Protein EWSSpinal Cord NeoplasmsPinealomaSpinal Cord InjuriesChromosomes, Human, Pair 22EpendymomaSarcoma, Small CellBone NeoplasmsNeuroblastomaRhabdoid TumorMaxillary NeoplasmsTumor Markers, BiologicalNeoplasms, Germ Cell and EmbryonalThoracic NeoplasmsCentral Nervous System NeoplasmsImmunohistochemistryNeural PlateChromosomes, Human, Pair 11AstrocytomaOncogene Proteins, FusionOrbital NeoplasmsTomography, X-Ray ComputedParaparesisVincristineFatal OutcomeIfosfamideCell Line, TumorGanglioneuromaTranslocation, GeneticSkull NeoplasmsThoracic WallMagnetic Resonance ImagingSpinal NeoplasmsTeratomaPeripheral Nervous System NeoplasmsNeoplasms, Nerve TissueInjections, SpinalTumor Necrosis Factor-alphaNeurofilament ProteinsCombined Modality TherapyTumor BurdenEtoposidePineal GlandAntigens, NeoplasmChromosomes, Human, Pair 17RhabdomyosarcomaGliomaSpinal NervesAbdominal NeoplasmsThoracic Surgical ProceduresTumor Cells, CulturedCranial IrradiationRetinoblastomaDNA, NeoplasmSpinal Cord DiseasesAnesthesia, SpinalTreatment OutcomePhosphopyruvate HydrataseCyclophosphamideGangliosidesSynaptophysinSoft Tissue NeoplasmsLomustineSpinal Nerve RootsIn Situ Hybridization, FluorescenceGenes, mycSpinal CanalReverse Transcriptase Polymerase Chain ReactionAntineoplastic Combined Chemotherapy ProtocolsSpinal Cord CompressionRNA, MessengerSpinal DiseasesTranscription FactorsCell DifferentiationPolymerase Chain ReactionCell DivisionEctodermNeoplasm ProteinsNeoplasm Recurrence, LocalCell Transformation, NeoplasticThiotepaWilms TumorAntibodies, MonoclonalImmunoenzyme TechniquesMolecular Sequence DataGene AmplificationTime FactorsGene Expression Regulation, NeoplasticBase Sequence