Neuroectodermal Tumors, PrimitiveNeuroectodermal TumorsNeuroectodermal Tumors, Primitive, PeripheralGliomaSarcoma, EwingMedulloblastomaBrain NeoplasmsCerebellar NeoplasmsSupratentorial NeoplasmsNeuroectodermal Tumor, MelanoticRNA-Binding Protein EWSProto-Oncogene Protein c-fli-1PinealomaEpendymomaSpinal Cord NeoplasmsChromosomes, Human, Pair 22Sarcoma, Small CellRhabdoid TumorBone NeoplasmsCentral Nervous System NeoplasmsThoracic NeoplasmsCell Line, TumorAstrocytomaOrbital NeoplasmsTumor Markers, BiologicalIfosfamideNeuroblastomaOncogene Proteins, FusionGlioblastomaFatal OutcomeParaparesisTumor Cells, CulturedNeoplasms, Germ Cell and EmbryonalVincristineThoracic WallImmunohistochemistryTomography, X-Ray ComputedMice, NudeChromosomes, Human, Pair 11Abdominal NeoplasmsChromosomes, Human, Pair 17TeratomaEtoposideTranslocation, GeneticPineal GlandCranial IrradiationCombined Modality TherapyMagnetic Resonance ImagingLomustineNeurofilament ProteinsCyclophosphamideNeovascularization, PathologicNeoplasm TransplantationRhabdomyosarcomaThiotepaSoft Tissue NeoplasmsXenograft Model Antitumor AssaysIn Situ Hybridization, FluorescenceAntineoplastic Combined Chemotherapy ProtocolsDNA, NeoplasmTreatment OutcomeGene RearrangementGene AmplificationPolymerase Chain ReactionNeoplasm Recurrence, LocalMaxillary NeoplasmsReverse Transcriptase Polymerase Chain ReactionTumor BurdenTumor Necrosis Factor-alphaDisease ProgressionSurvival AnalysisPrognosisChromosome DeletionGene Expression Regulation, NeoplasticTranscription FactorsBiopsy