Neuroectodermal Tumors, PrimitiveNeuroectodermal TumorsNeuroectodermal Tumors, Primitive, PeripheralNeuroectodermal Tumor, MelanoticSarcoma, EwingMedulloblastomaCerebellar NeoplasmsSupratentorial NeoplasmsBrain NeoplasmsProto-Oncogene Protein c-fli-1RNA-Binding Protein EWSPinealomaChromosomes, Human, Pair 22EpendymomaSarcoma, Small CellSpinal Cord NeoplasmsBone NeoplasmsNeuroblastomaRhabdoid TumorMaxillary NeoplasmsTumor Markers, BiologicalNeoplasms, Germ Cell and EmbryonalThoracic NeoplasmsCentral Nervous System NeoplasmsPrimitive StreakNeural PlateImmunohistochemistryOncogene Proteins, FusionChromosomes, Human, Pair 11AstrocytomaOrbital NeoplasmsVincristineIfosfamideTomography, X-Ray ComputedFatal OutcomeTranslocation, GeneticCell Line, TumorGanglioneuromaParaparesisThoracic WallTeratomaSkull NeoplasmsNeoplasms, Nerve TissueCell DifferentiationEtoposidePeripheral Nervous System NeoplasmsCombined Modality TherapyPineal GlandRhabdomyosarcomaTumor Necrosis Factor-alphaAntigens, NeoplasmTumor BurdenChromosomes, Human, Pair 17Tumor Cells, CulturedAbdominal NeoplasmsNeurofilament ProteinsMagnetic Resonance ImagingRetinoblastomaGliomaThoracic Surgical ProceduresCranial IrradiationDNA, NeoplasmEctodermCell DivisionCyclophosphamideTranscription FactorsReverse Transcriptase Polymerase Chain ReactionIn Situ Hybridization, FluorescenceSoft Tissue NeoplasmsPhosphopyruvate HydrataseLomustineSynaptophysinGangliosidesGenes, mycRNA, MessengerMolecular Sequence DataAntineoplastic Combined Chemotherapy ProtocolsPolymerase Chain ReactionTreatment OutcomeNeoplasm ProteinsCell Transformation, NeoplasticBase SequenceThiotepaWilms TumorNeoplasm Recurrence, LocalAntibodies, MonoclonalImmunoenzyme TechniquesGene AmplificationDNA-Binding ProteinsGene Expression Regulation, NeoplasticNeoplasms, ExperimentalGenes, Tumor SuppressorBiopsy, NeedleGene RearrangementDisease ProgressionCell LineGastrulaHematopoietic Stem CellsTime FactorsDoxorubicin