Neuroectodermal Tumors, PrimitiveNeuroectodermal TumorsNeuroectodermal Tumors, Primitive, PeripheralSarcoma, EwingMedulloblastomaDesmoplastic Small Round Cell TumorCerebellar NeoplasmsRNA-Binding Protein EWSSupratentorial NeoplasmsAbdominal NeoplasmsSarcoma, Small CellProto-Oncogene Protein c-fli-1Neuroectodermal Tumor, MelanoticBrain NeoplasmsChromosomes, Human, Pair 22PinealomaEpendymomaBone NeoplasmsSpinal Cord NeoplasmsOncogene Proteins, FusionRhabdoid TumorNeoplasms, Germ Cell and EmbryonalCentral Nervous System NeoplasmsRhabdomyosarcomaFatal OutcomeThoracic NeoplasmsNeuroblastomaLiposarcoma, MyxoidImmunohistochemistryTumor Markers, BiologicalTranslocation, GeneticChromosomes, Human, Pair 11IfosfamideSoft Tissue NeoplasmsOrbital NeoplasmsGranulosa Cell TumorParaparesisVincristineAstrocytomaTeratomaThoracic WallTomography, X-Ray ComputedGiant Cell Tumor of BoneVenereal Tumors, VeterinaryEtoposideRhabdomyosarcoma, EmbryonalChromosomes, Human, Pair 17Giant Cell TumorsPineal GlandCombined Modality TherapyCranial IrradiationHistiocytoma, Benign FibrousMagnetic Resonance ImagingMastocytomaHistiocytic SarcomaCarcinoma, Small CellLomustineNeurofilament ProteinsReverse Transcriptase Polymerase Chain ReactionCyclophosphamideTesticular NeoplasmsGranular Cell TumorWT1 ProteinsIn Situ Hybridization, FluorescenceAntineoplastic Combined Chemotherapy ProtocolsDNA, NeoplasmRhabdomyosarcoma, AlveolarThiotepaTreatment OutcomePeritoneal NeoplasmsTumor Cells, CulturedMaxillary NeoplasmsSertoli Cell TumorSarcoma, Clear CellDog DiseasesChimerin ProteinsTranscription FactorsGliomaPolymerase Chain ReactionLeydig Cell TumorGene RearrangementNeoplasm Recurrence, LocalInfant, NewbornGene AmplificationPrognosisCell Line, TumorMolecular Sequence DataGerminomaBiopsyDNA-Binding ProteinsSurvival AnalysisSarcomaGene Expression Regulation, NeoplasticTumor Necrosis Factor-alphaDisease ProgressionTumor BurdenChromosome DeletionChromosome AberrationsLiposarcoma