Neoplasms, Germ Cell and EmbryonalDysgerminomaEndodermal Sinus TumorTeratomaGerminomaOvarian NeoplasmsGerm CellsTesticular NeoplasmsOvarySeminomaSex DifferentiationGranulosa Cell TumorGiant Cell Tumor of BoneMediastinal NeoplasmsRetroperitoneal NeoplasmsGiant Cell TumorsCarcinoma, EmbryonalOogenesisTestisSertoli Cell TumorGranular Cell Tumoralpha-FetoproteinsSpermatogenesisLeydig Cell TumorBleomycinCisplatinTumor Markers, BiologicalEtoposideChoriocarcinomaMesonephromaRetroperitoneal SpaceSeminiferous TubulesSpermatozoaIfosfamideAntineoplastic Combined Chemotherapy ProtocolsImmunohistochemistrySpermatogoniaNeoplasms, Gonadal TissueOrchiectomyGonadoblastomaSertoli CellsSalvage TherapySertoli-Leydig Cell TumorCombined Modality TherapyCell Line, TumorPinealomaTeratocarcinomaMixed Tumor, MalignantChromosomes, Human, Pair 12Adenoma, Islet CellSpermatocytesCryptorchidismBrain NeoplasmsNeoplasms, Multiple PrimaryTumor BurdenTumor Necrosis Factor-alphaSpermatidsChorionic Gonadotropin, beta Subunit, HumanChorionic GonadotropinGonadsNeoplasm Recurrence, LocalPrognosisOctamer Transcription Factor-3Growth Differentiation Factor 3Treatment OutcomeCentral Nervous System NeoplasmsProto-Oncogene Proteins c-kitCarboplatinRNA, MessengerNeoplasm StagingRetrospective StudiesThoracic NeoplasmsBone NeoplasmsGenes, Tumor SuppressorNeoplasm MetastasisSacrococcygeal RegionNeoplasms, ExperimentalSeminiferous EpitheliumReverse Transcriptase Polymerase Chain ReactionDog DiseasesAbdominal NeoplasmsNeoplasm ProteinsCell DifferentiationTumor Suppressor Protein p53Neuroectodermal Tumors, Primitive, PeripheralWilms TumorLymph Node ExcisionLithiasisCarcinoma in SituMolecular Sequence DataChlordanVinblastineNeoplasm, ResidualMeiosisDNA, Neoplasm