Neuroectodermal Tumors, PrimitiveRhabdoid TumorNeuroectodermal TumorsNeuroectodermal Tumors, Primitive, PeripheralNervous System NeoplasmsMedulloblastomaCentral Nervous System NeoplasmsSarcoma, EwingBrain NeoplasmsCerebellar NeoplasmsSupratentorial NeoplasmsNeuroectodermal Tumor, MelanoticSpinal Cord NeoplasmsEpendymomaRNA-Binding Protein EWSProto-Oncogene Protein c-fli-1AstrocytomaChromosomes, Human, Pair 22MeningiomaPinealomaTeratomaSarcoma, Small CellGliomaBone NeoplasmsImmunohistochemistryFatal OutcomeNeuroblastomaTumor Markers, BiologicalNeurofibromatosis 2Thoracic NeoplasmsMeningeal NeoplasmsInfant, NewbornMagnetic Resonance ImagingOrbital NeoplasmsIfosfamideTomography, X-Ray ComputedNeurilemmomaOncogene Proteins, FusionNeoplasms, Germ Cell and EmbryonalCell Line, TumorVincristineParaparesisThoracic WallSoft Tissue NeoplasmsCombined Modality TherapyChromosomes, Human, Pair 11Transcription FactorsIn Situ Hybridization, FluorescenceAbdominal NeoplasmsChromosomes, Human, Pair 17Translocation, GeneticEtoposideNeurofibromin 2Wilms TumorCranial IrradiationNeoplasmsPaternal ExposureGlioblastomaRhabdomyosarcomaDNA-Binding ProteinsPineal GlandChromosomal Proteins, Non-HistoneNeurofilament ProteinsLomustineBrain Stem NeoplasmsNeurofibromatosis 1CyclophosphamideTumor Necrosis Factor-alphaTumor BurdenRetrospective StudiesTreatment OutcomeTumor Cells, CulturedPolymerase Chain ReactionDNA, NeoplasmReverse Transcriptase Polymerase Chain ReactionThiotepaNeoplasms, Nerve TissueCentral Nervous SystemAntineoplastic Combined Chemotherapy ProtocolsGenes, Tumor SuppressorPrognosisKidney NeoplasmsGene Expression Regulation, NeoplasticChromosome DeletionFollow-Up StudiesGene RearrangementNeoplasm Recurrence, LocalGene AmplificationTime FactorsDisease ProgressionSurvival AnalysisMaxillary NeoplasmsNervous SystemMolecular Sequence DataSurvival RateBiopsyChromosome AberrationsNeoplasms, ExperimentalDisease-Free Survival