Neuroectodermal Tumors, PrimitiveNeuroectodermal TumorsNeuroectodermal Tumors, Primitive, PeripheralNeuroectodermal Tumor, MelanoticMeningiomaMeningeal NeoplasmsSarcoma, EwingMedulloblastomaCerebellar NeoplasmsBrain NeoplasmsSupratentorial NeoplasmsProto-Oncogene Protein c-fli-1RNA-Binding Protein EWSChromosomes, Human, Pair 22PinealomaSpinal Cord NeoplasmsEpendymomaSarcoma, Small CellBone NeoplasmsNeuroblastomaRhabdoid TumorMaxillary NeoplasmsTumor Markers, BiologicalCentral Nervous System NeoplasmsSkull Base NeoplasmsNeoplasms, Germ Cell and EmbryonalSkull NeoplasmsThoracic NeoplasmsNeurofibromatosis 2AstrocytomaImmunohistochemistryTomography, X-Ray ComputedOrbital NeoplasmsMagnetic Resonance ImagingNeural PlateChromosomes, Human, Pair 11Oncogene Proteins, FusionVincristineCell Line, TumorIfosfamideGliomaFatal OutcomeGenes, Neurofibromatosis 2Translocation, GeneticGanglioneuromaParaparesisThoracic WallPineal GlandNeoplasm Recurrence, LocalDNA, NeoplasmNeurofibromin 2TeratomaTumor Cells, CulturedNeoplasms, Nerve TissueAntigens, NeoplasmIn Situ Hybridization, FluorescenceCombined Modality TherapyPeripheral Nervous System NeoplasmsTumor BurdenTumor Necrosis Factor-alphaEtoposideTreatment OutcomeArachnoidChromosomes, Human, Pair 17NeurilemmomaRhabdomyosarcomaNeurofilament ProteinsAbdominal NeoplasmsRetinoblastomaThoracic Surgical ProceduresCranial IrradiationReverse Transcriptase Polymerase Chain ReactionImmunoenzyme TechniquesCyclophosphamideGangliosidesPhosphopyruvate HydrataseRNA, MessengerSoft Tissue NeoplasmsPolymerase Chain ReactionLomustineGene Expression Regulation, NeoplasticHemangiopericytomaSynaptophysinChromosome AberrationsGenes, mycChromosome DeletionNeoplasm ProteinsCell DivisionAntineoplastic Combined Chemotherapy ProtocolsCell Transformation, NeoplasticPrognosisGenes, Tumor SuppressorDisease ProgressionTranscription FactorsRetrospective StudiesAntibodies, MonoclonalThiotepaEctodermWilms TumorMolecular Sequence Data