Neuroectodermal Tumors, PrimitiveNeuroectodermal TumorsNeuroectodermal Tumors, Primitive, PeripheralSarcoma, EwingMedulloblastomaCerebellar NeoplasmsSupratentorial NeoplasmsNeuroectodermal Tumor, MelanoticBrain NeoplasmsRNA-Binding Protein EWSProto-Oncogene Protein c-fli-1PinealomaEpendymomaChromosomes, Human, Pair 22Genes, Tumor SuppressorSpinal Cord NeoplasmsSarcoma, Small CellRhabdoid TumorBone NeoplasmsCentral Nervous System NeoplasmsThoracic NeoplasmsOrbital NeoplasmsIfosfamideNeuroblastomaOncogene Proteins, FusionParaparesisFatal OutcomeThoracic WallAstrocytomaVincristineNeoplasms, Germ Cell and EmbryonalChromosomes, Human, Pair 11ImmunohistochemistryChromosomes, Human, Pair 17Tumor Markers, BiologicalAbdominal NeoplasmsTomography, X-Ray ComputedTranslocation, GeneticEtoposideTeratomaPineal GlandCranial IrradiationTumor Cells, CulturedNeurofilament ProteinsLomustineTumor Suppressor ProteinsDNA, NeoplasmCombined Modality TherapyMagnetic Resonance ImagingCyclophosphamideThiotepaRhabdomyosarcomaIn Situ Hybridization, FluorescenceGene Expression Regulation, NeoplasticPolymerase Chain ReactionSoft Tissue NeoplasmsGenes, SuppressorChromosome DeletionAntineoplastic Combined Chemotherapy ProtocolsGene RearrangementTranscription FactorsGliomaTumor Suppressor Protein p53Molecular Sequence DataReverse Transcriptase Polymerase Chain ReactionGene AmplificationTreatment OutcomeMaxillary NeoplasmsCell Line, TumorChromosome AberrationsDNA-Binding ProteinsPrognosisDisease Progression