Neuroectodermal Tumors, PrimitiveNeuroectodermal TumorsNeuroectodermal Tumors, Primitive, PeripheralNeurilemmomaNeuroectodermal Tumor, MelanoticNeurofibromatosis 2Neuroma, AcousticSarcoma, EwingMedulloblastomaPeripheral Nervous System NeoplasmsCerebellar NeoplasmsBrain NeoplasmsCranial Nerve NeoplasmsSupratentorial NeoplasmsProto-Oncogene Protein c-fli-1RNA-Binding Protein EWSGenes, Neurofibromatosis 2Neurofibromin 2Spinal Cord NeoplasmsChromosomes, Human, Pair 22PinealomaEpendymomaNeurofibromatosesNeurofibromaSarcoma, Small CellBone NeoplasmsNeuroblastomaRhabdoid TumorMaxillary NeoplasmsMeningiomaOrbital NeoplasmsTumor Markers, BiologicalVestibulocochlear Nerve DiseasesNervous System NeoplasmsNeoplasms, Germ Cell and EmbryonalImmunohistochemistryThoracic NeoplasmsMagnetic Resonance ImagingCentral Nervous System NeoplasmsFacial Nerve DiseasesAstrocytomaTomography, X-Ray ComputedEar NeoplasmsNeural PlateChromosomes, Human, Pair 11Oncogene Proteins, FusionTrigeminal Nerve DiseasesCell Line, TumorVestibular NerveVincristineIfosfamideFatal OutcomeFacial NerveTranslocation, GeneticGlossopharyngeal Nerve DiseasesGanglioneuromaSkull NeoplasmsParaparesisThoracic WallGliomaSoft Tissue NeoplasmsTeratomaRetroperitoneal NeoplasmsNeoplasms, Nerve TissueLabyrinth DiseasesVestibulocochlear NerveVagus Nerve DiseasesTumor BurdenNerve Sheath NeoplasmsTumor Necrosis Factor-alphaEtoposideTreatment OutcomeMeningeal NeoplasmsPineal GlandAntigens, NeoplasmCombined Modality TherapyCerebellopontine AngleChromosomes, Human, Pair 17RhabdomyosarcomaNeurofilament ProteinsAbdominal NeoplasmsRetinoblastomaTumor Cells, CulturedThoracic Surgical ProceduresCranial IrradiationDNA, NeoplasmSchwann CellsSpinal NeoplasmsNeoplasm ProteinsPolymerase Chain ReactionCyclophosphamideGangliosidesRetrospective StudiesPhosphopyruvate HydrataseLomustineSynaptophysinGenes, mycIn Situ Hybridization, FluorescenceGene Expression Regulation, NeoplasticGlomus Jugulare Tumor