Neuroectodermal Tumors, PrimitiveNeuroectodermal TumorsNeuroectodermal Tumors, Primitive, PeripheralMedulloblastomaSarcoma, EwingCerebellar NeoplasmsSupratentorial NeoplasmsBrain NeoplasmsNeuroectodermal Tumor, MelanoticNeoplasms, Germ Cell and EmbryonalRNA-Binding Protein EWSProto-Oncogene Protein c-fli-1PinealomaCentral Nervous System NeoplasmsEpendymomaSpinal Cord NeoplasmsChromosomes, Human, Pair 22Sarcoma, Small CellNeuroblastomaRhabdoid TumorBeckwith-Wiedemann SyndromeChromosomes, Human, Pair 11Bone NeoplasmsHepatoblastomaThoracic NeoplasmsRhabdomyosarcomaWilms TumorQuassinsNeuropilOrbital NeoplasmsIfosfamideTumor Markers, BiologicalOncogene Proteins, FusionFatal OutcomeParaparesisVincristineAstrocytomaThoracic WallImmunohistochemistryTomography, X-Ray ComputedAbdominal NeoplasmsTeratomaChromosomes, Human, Pair 17Translocation, GeneticEtoposidePineal GlandCranial IrradiationPrimitive StreakCombined Modality TherapyLomustineNeurofilament ProteinsMagnetic Resonance ImagingCyclophosphamideThiotepaSoft Tissue NeoplasmsIn Situ Hybridization, FluorescenceAntineoplastic Combined Chemotherapy ProtocolsDNA, NeoplasmTumor Cells, CulturedGliomaTreatment OutcomeGene RearrangementInsulin-Like Growth Factor IIPolymerase Chain ReactionGene AmplificationGenomic ImprintingMaxillary NeoplasmsReverse Transcriptase Polymerase Chain ReactionCell Line, TumorNeoplasm Recurrence, LocalTranscription FactorsTumor Necrosis Factor-alphaTumor Burden