Neuroectodermal Tumors, PrimitiveNeuroectodermal TumorsNeuroectodermal Tumors, Primitive, PeripheralNeuroectodermal Tumor, MelanoticCarcinoma, Squamous CellSarcoma, EwingMedulloblastomaCerebellar NeoplasmsSupratentorial NeoplasmsBrain NeoplasmsProto-Oncogene Protein c-fli-1RNA-Binding Protein EWSPinealomaChromosomes, Human, Pair 22EpendymomaTumor Markers, BiologicalHead and Neck NeoplasmsMaxillary NeoplasmsSpinal Cord NeoplasmsSarcoma, Small CellBone NeoplasmsNeuroblastomaRhabdoid TumorMouth NeoplasmsImmunohistochemistryNeoplasms, Squamous CellThoracic NeoplasmsNeoplasms, Germ Cell and EmbryonalCentral Nervous System NeoplasmsCell Line, TumorEsophageal NeoplasmsChromosomes, Human, Pair 11Neural PlateFatal OutcomeOncogene Proteins, FusionOrbital NeoplasmsAstrocytomaTomography, X-Ray ComputedIfosfamideVincristineCombined Modality TherapyAntigens, NeoplasmSkin NeoplasmsTumor Cells, CulturedTranslocation, GeneticGanglioneuromaSkull NeoplasmsDNA, NeoplasmParaparesisTumor BurdenThoracic WallPrognosisGene Expression Regulation, NeoplasticTeratomaNeoplasms, Nerve TissueNeoplasm Recurrence, LocalChromosomes, Human, Pair 17Reverse Transcriptase Polymerase Chain ReactionNeoplasm ProteinsTreatment OutcomeTumor Necrosis Factor-alphaPeripheral Nervous System NeoplasmsEtoposideMagnetic Resonance ImagingPolymerase Chain ReactionRhabdomyosarcomaTongue NeoplasmsAntineoplastic Combined Chemotherapy ProtocolsPineal GlandImmunoenzyme TechniquesLaryngeal NeoplasmsCell Transformation, NeoplasticNeurofilament ProteinsGliomaAbdominal NeoplasmsRNA, MessengerIn Situ Hybridization, FluorescenceRetinoblastomaThoracic Surgical ProceduresCranial IrradiationSurvival AnalysisNeoplasm StagingPhosphopyruvate HydrataseCyclophosphamideTumor Suppressor Protein p53Gene AmplificationSurvival RateCell DivisionDisease ProgressionGangliosidesSoft Tissue NeoplasmsAntibodies, MonoclonalAdenocarcinomaGenes, mycTranscription FactorsGenes, Tumor SuppressorLomustineSynaptophysinCell DifferentiationBiopsy