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 NeoplasmsImmunohistochemistryChromosomes, Human, Pair 11AstrocytomaOrbital NeoplasmsNeural PlateOncogene Proteins, FusionTomography, X-Ray ComputedFatal OutcomeSkull NeoplasmsVincristineNeoplasmsIfosfamideCell Line, TumorGanglioneuromaTranslocation, GeneticDNA, NeoplasmAntigens, NeoplasmPeripheral Nervous System NeoplasmsParaparesisThoracic WallTeratomaNeoplasms, Nerve TissueAbdominal NeoplasmsMagnetic Resonance ImagingSoft Tissue NeoplasmsPancreatic NeoplasmsCombined Modality TherapyRhabdomyosarcomaEtoposideGliomaTumor Necrosis Factor-alphaTumor BurdenChromosomes, Human, Pair 17Pineal GlandRetinoblastomaTumor Cells, CulturedNeurofilament ProteinsNeoplasm ProteinsCranial IrradiationThoracic Surgical ProceduresNeoplasms, ExperimentalInfant, NewbornIn Situ Hybridization, FluorescenceTreatment OutcomeCyclophosphamideNeoplasm Recurrence, LocalSynaptophysinPhosphopyruvate HydrataseGangliosidesGenes, mycLomustineReverse Transcriptase Polymerase Chain ReactionAntineoplastic Combined Chemotherapy ProtocolsPolymerase Chain ReactionCell Transformation, NeoplasticWilms TumorImmunoenzyme TechniquesRNA, MessengerCell DivisionTranscription FactorsSkin NeoplasmsCell DifferentiationGene Expression Regulation, NeoplasticAntibodies, MonoclonalPrognosisThiotepaBiopsyEctodermBiopsy, NeedleGene AmplificationDisease ProgressionMolecular Sequence DataGenes, Tumor SuppressorCarcinoid TumorBase SequenceKidney Neoplasms