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 NeoplasmsNeuroblastomaRhabdoid TumorMaxillary NeoplasmsTumor Markers, BiologicalNeoplasms, Germ Cell and EmbryonalThoracic NeoplasmsCentral Nervous System NeoplasmsNeural PlateChromosomes, Human, Pair 11ImmunohistochemistryOncogene Proteins, FusionAstrocytomaOrbital NeoplasmsVincristineFatal OutcomeTomography, X-Ray ComputedIfosfamideCell Line, TumorTranslocation, GeneticGanglioneuromaSkull NeoplasmsParaparesisThoracic WallTeratomaNeoplasms, Nerve TissuePeripheral Nervous System NeoplasmsTumor Necrosis Factor-alphaPineal GlandTumor BurdenEtoposideCombined Modality TherapyAntigens, NeoplasmRhabdomyosarcomaChromosomes, Human, Pair 17Magnetic Resonance ImagingNeurofilament ProteinsGliomaAbdominal NeoplasmsTumor Cells, CulturedRetinoblastomaThoracic Surgical ProceduresCranial IrradiationDNA, NeoplasmCyclophosphamideGangliosidesPhosphopyruvate HydrataseSoft Tissue NeoplasmsLomustineSynaptophysinGenes, mycIn Situ Hybridization, FluorescenceReverse Transcriptase Polymerase Chain ReactionTreatment OutcomeAntineoplastic Combined Chemotherapy ProtocolsRNA, MessengerTranscription FactorsCell DivisionCell DifferentiationPolymerase Chain ReactionCell Transformation, NeoplasticNeoplasm ProteinsEctodermNeoplasm Recurrence, LocalAntibodies, MonoclonalThiotepaWilms TumorMolecular Sequence DataImmunoenzyme TechniquesGene AmplificationBase SequenceNeoplasms, ExperimentalGene Expression Regulation, NeoplasticGenes, Tumor SuppressorDisease ProgressionBiopsy, NeedleNeoplasmsSurvival AnalysisDNA-Binding ProteinsBiopsyDoxorubicinPrognosisCarcinoid TumorGene Rearrangement