Melanoma, AmelanoticNeuroectodermal Tumors, PrimitiveNeuroectodermal TumorsNeuroectodermal Tumors, Primitive, PeripheralNeuroectodermal Tumor, MelanoticSarcoma, EwingMedulloblastomaCerebellar NeoplasmsSupratentorial NeoplasmsBrain NeoplasmsProto-Oncogene Protein c-fli-1RNA-Binding Protein EWSMelaninsMonophenol MonooxygenasePinealomaMelanomaChromosomes, Human, Pair 22EpendymomaSkin NeoplasmsSpinal Cord NeoplasmsBone NeoplasmsMelanosisMaxillary NeoplasmsSarcoma, Small CellNeuroblastomaRhabdoid TumorImmunohistochemistryTumor Markers, BiologicalNeoplasms, Germ Cell and EmbryonalFatal OutcomeThoracic NeoplasmsCentral Nervous System NeoplasmsCatechol OxidaseAntigens, NeoplasmMelanoma, ExperimentalMelanocytesChromosomes, Human, Pair 11AstrocytomaOrbital NeoplasmsCell Line, TumorNeural PlateOncogene Proteins, FusionTomography, X-Ray ComputedNeoplasms, ExperimentalTumor Cells, CulturedVincristineNeoplasmsSkull NeoplasmsIfosfamideRodent DiseasesS100 ProteinsMesocricetusTranslocation, GeneticDNA, NeoplasmGanglioneuromaEar, ExternalPigmentationPeripheral Nervous System NeoplasmsParaparesisThoracic WallNeoplasms, Nerve TissueTeratomaAbdominal NeoplasmsMelanocyte-Stimulating HormonesSoft Tissue NeoplasmsPancreatic NeoplasmsCombined Modality TherapyMagnetic Resonance ImagingRhabdomyosarcomaDog DiseasesEtoposideMelanoma-Specific AntigensGliomaTumor Necrosis Factor-alphaTumor BurdenNeoplasm MetastasisChromosomes, Human, Pair 17Pineal GlandRetinoblastomaNeurofilament ProteinsNeoplasm ProteinsCranial IrradiationThoracic Surgical ProceduresMART-1 AntigenUveal NeoplasmsCyclophosphamideIn Situ Hybridization, FluorescenceNeoplasm Recurrence, LocalSynaptophysinPhosphopyruvate HydrataseChoroid NeoplasmsGangliosidesTreatment OutcomeGenes, mycLomustineAntineoplastic Combined Chemotherapy ProtocolsReverse Transcriptase Polymerase Chain ReactionCell Transformation, NeoplasticPolymerase Chain Reaction