Neuroectodermal Tumors, PrimitiveNeuroectodermal TumorsNeuroectodermal Tumors, Primitive, PeripheralNeurilemmomaNeuroectodermal Tumor, MelanoticSarcoma, EwingMedulloblastomaNeuroma, AcousticCerebellar NeoplasmsSupratentorial NeoplasmsBrain NeoplasmsProto-Oncogene Protein c-fli-1RNA-Binding Protein EWSCranial Nerve NeoplasmsSpinal Cord NeoplasmsPeripheral Nervous System NeoplasmsChromosomes, Human, Pair 22PinealomaEpendymomaNeurofibromatosis 2Thoracic NeoplasmsSarcoma, Small CellBone NeoplasmsNeuroblastomaRhabdoid TumorMaxillary NeoplasmsTumor Markers, BiologicalCerebellopontine AngleFacial Nerve DiseasesTrigeminal Nerve DiseasesNeoplasms, Germ Cell and EmbryonalOrbital NeoplasmsTomography, X-Ray ComputedCentral Nervous System NeoplasmsMagnetic Resonance ImagingImmunohistochemistryNeural PlateNeurofibromin 2Chromosomes, Human, Pair 11ParaparesisGanglioneuromaOncogene Proteins, FusionAstrocytomaEar NeoplasmsFatal OutcomeVincristineCell Line, TumorGenes, Neurofibromatosis 2IfosfamideVestibulocochlear Nerve DiseasesTranslocation, GeneticSkull NeoplasmsOtologic Surgical ProceduresThoracic WallSoft Tissue NeoplasmsTeratomaNeoplasms, Nerve TissueTreatment OutcomeVestibular NerveTumor BurdenTumor Necrosis Factor-alphaEtoposideTumor Cells, CulturedPineal GlandAntigens, NeoplasmCombined Modality TherapyChromosomes, Human, Pair 17RhabdomyosarcomaNeurofilament ProteinsGliomaAbdominal NeoplasmsRetinoblastomaVagus Nerve DiseasesThoracic Surgical ProceduresCranial IrradiationMeningiomaDNA, NeoplasmRetroperitoneal NeoplasmsCyclophosphamideGangliosidesPhosphopyruvate HydrataseGlossopharyngeal Nerve DiseasesLomustineSynaptophysinGenes, mycNeoplasm Recurrence, LocalIn Situ Hybridization, FluorescenceAntineoplastic Combined Chemotherapy ProtocolsCell DivisionBiopsyReverse Transcriptase Polymerase Chain ReactionNervous System NeoplasmsGenital Neoplasms, MaleThiotepaNeoplasm ProteinsCell Transformation, NeoplasticTranscription FactorsEctodermPolymerase Chain ReactionRNA, Messenger