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 NeoplasmsOrbital NeoplasmsMagnetic Resonance ImagingIfosfamideTomography, X-Ray ComputedNeurilemmomaOncogene Proteins, FusionNeoplasms, Germ Cell and EmbryonalCell Line, TumorParaparesisVincristineThoracic WallInfant, NewbornSoft Tissue NeoplasmsCombined Modality TherapyChromosomes, Human, Pair 11Transcription FactorsIn Situ Hybridization, FluorescenceChromosomes, Human, Pair 17Abdominal NeoplasmsEtoposideTranslocation, GeneticNeurofibromin 2Wilms TumorGlioblastomaPineal GlandDNA-Binding ProteinsChromosomal Proteins, Non-HistoneCranial IrradiationRhabdomyosarcomaPaternal ExposureNeoplasmsNeurofilament ProteinsLomustineBrain Stem NeoplasmsNeurofibromatosis 1CyclophosphamideTumor Necrosis Factor-alphaTumor BurdenTumor Cells, CulturedDNA, NeoplasmReverse Transcriptase Polymerase Chain ReactionThiotepaPolymerase Chain ReactionCentral Nervous SystemNeoplasms, Nerve TissueRetrospective StudiesTreatment OutcomeAntineoplastic Combined Chemotherapy ProtocolsGenes, Tumor SuppressorGene Expression Regulation, NeoplasticKidney NeoplasmsChromosome DeletionPrognosisGene RearrangementNeoplasm Recurrence, LocalGene AmplificationNervous SystemDisease ProgressionSurvival AnalysisMaxillary NeoplasmsTime FactorsMolecular Sequence DataFollow-Up StudiesSurvival RateBiopsyNeoplasms, ExperimentalChromosome Aberrations