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 NeoplasmsBone NeoplasmsMaxillary NeoplasmsSarcoma, Small CellNeuroblastomaRhabdoid TumorTumor Markers, BiologicalNeoplasms, Germ Cell and EmbryonalThoracic NeoplasmsCentral Nervous System NeoplasmsImmunohistochemistryAstrocytomaChromosomes, Human, Pair 11Orbital NeoplasmsNeural PlateOncogene Proteins, FusionTomography, X-Ray ComputedNeoplasmsFatal OutcomeVincristineSkull NeoplasmsIfosfamideCell Line, TumorTranslocation, GeneticDNA, NeoplasmGanglioneuromaAntigens, NeoplasmPeripheral Nervous System NeoplasmsParaparesisThoracic WallNeoplasms, Nerve TissueTeratomaAbdominal NeoplasmsSoft Tissue NeoplasmsMagnetic Resonance ImagingCombined Modality TherapyPancreatic NeoplasmsRhabdomyosarcomaGliomaEtoposideTumor Necrosis Factor-alphaTumor BurdenPineal GlandChromosomes, Human, Pair 17Tumor Cells, CulturedRetinoblastomaNeoplasm ProteinsNeurofilament ProteinsCranial IrradiationThoracic Surgical ProceduresNeoplasms, ExperimentalIn Situ Hybridization, FluorescenceTreatment OutcomeNeoplasm Recurrence, LocalCyclophosphamideSynaptophysinPhosphopyruvate HydrataseGangliosidesGenes, mycAntineoplastic Combined Chemotherapy ProtocolsLomustineReverse Transcriptase Polymerase Chain ReactionCell Transformation, NeoplasticPolymerase Chain ReactionImmunoenzyme TechniquesWilms TumorCell DivisionRNA, MessengerTranscription FactorsAntibodies, MonoclonalCell DifferentiationGene Expression Regulation, NeoplasticSkin NeoplasmsPrognosisThiotepaEctodermBiopsy, NeedleGene AmplificationMolecular Sequence DataGenes, Tumor SuppressorBiopsyKidney NeoplasmsCarcinoid TumorDisease ProgressionBase SequenceSurvival Analysis