Leydig Cell TumorNeoplasms, Germ Cell and EmbryonalTesticular NeoplasmsGerminomaSeminomaLeydig CellsSertoli Cell TumorEndodermal Sinus TumorSertoli CellsEtoposideSertoli-Leydig Cell TumorCisplatinBleomycinTestisGerm CellsGranulosa Cell TumorAntineoplastic Combined Chemotherapy ProtocolsGiant Cell Tumor of BoneGiant Cell TumorsGranular Cell TumorDiethylstilbestrolTestosteroneTeratomaDysgerminomaMediastinal NeoplasmsDog DiseasesSpermatogenesisPrognosisRetroperitoneal NeoplasmsSeminiferous TubulesCarcinoma, EmbryonalNeoplasms, ExperimentalImmunohistochemistryAromataseTumor Markers, BiologicalChorionic Gonadotropinalpha-FetoproteinsOvarian NeoplasmsCryptorchidismChoriocarcinomaSeminiferous EpitheliumSpermatozoaMesonephromaCell Line, TumorSpermatogoniaAdenoma, Islet CellTumor Necrosis Factor-alphaTumor BurdenOrchiectomySpermatidsRetroperitoneal SpaceRNA, MessengerSpermatocytes3-Hydroxysteroid DehydrogenasesNeoplasms, Gonadal TissueLuteinizing HormoneIfosfamideReceptors, LHBrain NeoplasmsReverse Transcriptase Polymerase Chain ReactionMesylatesBone NeoplasmsCombined Modality TherapyGenes, Tumor SuppressorWilms TumorSalvage Therapy