Neuroectodermal Tumors, PrimitiveNeuroectodermal TumorsNeuroectodermal Tumors, Primitive, PeripheralSarcoma, EwingMedulloblastomaCerebellar NeoplasmsSupratentorial NeoplasmsNeuroectodermal Tumor, MelanoticBrain NeoplasmsRNA-Binding Protein EWSProto-Oncogene Protein c-fli-1PinealomaEpendymomaChromosomes, Human, Pair 22Spinal Cord NeoplasmsSarcoma, Small CellRhabdoid TumorBone NeoplasmsCentral Nervous System NeoplasmsThoracic NeoplasmsOrbital NeoplasmsTumor Markers, BiologicalOncogene Proteins, FusionIfosfamideNeuroblastomaVincristineParaparesisFatal OutcomeNeoplasms, Germ Cell and EmbryonalThoracic WallAstrocytomaImmunohistochemistryTomography, X-Ray ComputedChromosomes, Human, Pair 11Abdominal NeoplasmsChromosomes, Human, Pair 17TeratomaEtoposideTranslocation, GeneticCombined Modality TherapyPineal GlandOrbital FracturesCyclophosphamideLomustineNeurofilament ProteinsMagnetic Resonance ImagingIn Situ Hybridization, FluorescenceRhabdomyosarcomaThiotepaAntineoplastic Combined Chemotherapy ProtocolsSoft Tissue NeoplasmsTumor Cells, CulturedDNA, NeoplasmTreatment OutcomeGliomaNeuroendocrine TumorsGene RearrangementRhinitis, AtrophicPolymerase Chain ReactionMaxillary NeoplasmsCell Line, TumorNeoplasm Recurrence, LocalSurvival AnalysisReverse Transcriptase Polymerase Chain ReactionPrognosisTumor Necrosis Factor-alphaTumor BurdenChromosome DeletionDisease ProgressionTranscription Factors