Neuroectodermal Tumors, PrimitiveNeuroectodermal TumorsNeuroectodermal Tumors, Primitive, PeripheralMedulloblastomaSarcoma, EwingBrain NeoplasmsCerebellar NeoplasmsSupratentorial NeoplasmsNeuroectodermal Tumor, MelanoticRNA-Binding Protein EWSProto-Oncogene Protein c-fli-1EpendymomaPinealomaMeningiomaSpinal Cord NeoplasmsChromosomes, Human, Pair 22AstrocytomaSarcoma, Small CellRhabdoid TumorCentral Nervous System NeoplasmsBone NeoplasmsMeningeal NeoplasmsGliomaThoracic NeoplasmsOrbital NeoplasmsIfosfamideTumor Markers, BiologicalNeuroblastomaTomography, X-Ray ComputedOncogene Proteins, FusionParaparesisFatal OutcomeNeoplasms, Nerve TissueMagnetic Resonance ImagingNeoplasms, Germ Cell and EmbryonalImmunohistochemistryVincristineThoracic WallChromosomes, Human, Pair 11Abdominal NeoplasmsCombined Modality TherapyChromosomes, Human, Pair 17TeratomaEtoposideTranslocation, GeneticPineal GlandCranial IrradiationLomustineNeurofilament ProteinsGlioblastomaCraniopharyngiomaCyclophosphamideTumor Cells, CulturedCell Line, TumorRhabdomyosarcomaThiotepaSoft Tissue NeoplasmsIn Situ Hybridization, FluorescenceAntineoplastic Combined Chemotherapy ProtocolsDNA, NeoplasmTreatment OutcomePrognosisGene RearrangementGene AmplificationPolymerase Chain ReactionMaxillary NeoplasmsSurvival RateGene Expression Regulation, NeoplasticNeoplasm Recurrence, LocalAdenoma, ChromophobeReverse Transcriptase Polymerase Chain ReactionNeurilemmomaTumor Necrosis Factor-alphaTumor BurdenChromosome DeletionDisease ProgressionSurvival AnalysisTranscription FactorsNeuroma, Acoustic