Neuroectodermal Tumors, PrimitiveNeuroectodermal TumorsNeuroectodermal Tumors, Primitive, PeripheralNeuroectodermal Tumor, MelanoticSarcoma, EwingMedulloblastomaCerebellar NeoplasmsBrain NeoplasmsSupratentorial NeoplasmsProto-Oncogene Protein c-fli-1RNA-Binding Protein EWSTumor Markers, BiologicalPinealomaEpendymomaChromosomes, Human, Pair 22Bone NeoplasmsNeuroblastomaCell Line, TumorNeoplasmsSpinal Cord NeoplasmsRhabdoid TumorSarcoma, Small CellTumor BurdenMaxillary NeoplasmsTumor Necrosis Factor-alphaNeoplasms, Germ Cell and EmbryonalImmunohistochemistryThoracic NeoplasmsCentral Nervous System NeoplasmsNeoplasms, ExperimentalAstrocytomaTomography, X-Ray ComputedPrimitive StreakWilms TumorChromosomes, Human, Pair 11Antigens, NeoplasmOncogene Proteins, FusionNeural PlateCell DivisionTreatment OutcomeAntineoplastic AgentsFatal OutcomeVincristineIfosfamideOrbital NeoplasmsCombined Modality TherapyDNA, NeoplasmGenes, Tumor SuppressorRNA, MessengerGliomaAntineoplastic Combined Chemotherapy ProtocolsAntibodies, MonoclonalReverse Transcriptase Polymerase Chain ReactionRhabdomyosarcomaTranslocation, GeneticCell DifferentiationTeratomaTumor Suppressor Protein p53Time FactorsTumor Cells, CulturedNeoplasm ProteinsMagnetic Resonance ImagingCarcinoid TumorMolecular Sequence DataEtoposideSkull NeoplasmsNeovascularization, PathologicCell Transformation, NeoplasticTumor MicroenvironmentThoracic WallPolymerase Chain ReactionNeoplasm MetastasisGanglioneuromaPeripheral Nervous System NeoplasmsParaparesisNeuroendocrine TumorsTumor Suppressor ProteinsBase SequenceNeoplasms, Nerve TissueCyclophosphamideCell ProliferationTransplantation, HeterologousGene Expression Regulation, NeoplasticTranscription FactorsRetinoblastomaDisease ProgressionNeoplasm Recurrence, LocalMammary Neoplasms, ExperimentalSoft Tissue NeoplasmsCell LineIn Situ Hybridization, FluorescenceChromosomes, Human, Pair 17Abdominal NeoplasmsImmunoenzyme TechniquesXenograft Model Antitumor AssaysPineal GlandSignal TransductionAdenocarcinomaMice, Inbred BALB CNeurofilament Proteins