Neuroectodermal Tumors, PrimitiveNeuroectodermal TumorsNeuroectodermal Tumors, Primitive, PeripheralNervous System NeoplasmsMedulloblastomaSarcoma, EwingCentral Nervous System NeoplasmsBrain NeoplasmsCerebellar NeoplasmsSupratentorial NeoplasmsNeuroectodermal Tumor, MelanoticEpendymomaSpinal Cord NeoplasmsRNA-Binding Protein EWSProto-Oncogene Protein c-fli-1AstrocytomaPinealomaMeningiomaChromosomes, Human, Pair 22Sarcoma, Small CellRhabdoid TumorGliomaBone NeoplasmsSoft Tissue NeoplasmsNeuroblastomaThoracic NeoplasmsNeurofibromatosis 2ImmunohistochemistryOrbital NeoplasmsIfosfamideTumor Markers, BiologicalOncogene Proteins, FusionFatal OutcomeNeurilemmomaParaparesisThoracic WallVincristineNeoplasms, Germ Cell and EmbryonalMeningeal NeoplasmsMagnetic Resonance ImagingTomography, X-Ray ComputedChromosomes, Human, Pair 11Abdominal NeoplasmsChromosomes, Human, Pair 17TeratomaEtoposideTranslocation, GeneticNeurofibromin 2Infant, NewbornPineal GlandCranial IrradiationCombined Modality TherapyPaternal ExposureNeurofilament ProteinsGlioblastomaLomustineRhabdomyosarcomaBrain Stem NeoplasmsNeurofibromatosis 1CyclophosphamideNeoplasmsCell Line, TumorThiotepaCentral Nervous SystemNeoplasms, Nerve TissueIn Situ Hybridization, FluorescenceAntineoplastic Combined Chemotherapy ProtocolsTreatment OutcomeDNA, NeoplasmPolymerase Chain ReactionTumor Cells, CulturedRetrospective StudiesSoft Tissue InjuriesGene RearrangementSarcomaNervous SystemNeoplasm Recurrence, LocalGene AmplificationMaxillary NeoplasmsReverse Transcriptase Polymerase Chain ReactionFollow-Up StudiesSoft Tissue InfectionsPrognosisSurvival AnalysisTumor Necrosis Factor-alphaTranscription FactorsTumor BurdenDisease ProgressionTime FactorsBiopsyChromosome Deletion