Perivascular Epithelioid Cell NeoplasmsEpithelioid CellsRound LigamentMelanoma-Specific AntigensEpithelial CellsEpitheliumCarcinomaTomography, X-Ray ComputedTumor Cells, CulturedGranulosa Cell TumorBreast NeoplasmsImmunohistochemistryGiant Cell Tumor of BoneRNA, MessengerGiant Cell TumorsNeoplasms, Germ Cell and EmbryonalGranular Cell TumorTesticular NeoplasmsSertoli Cell TumorLeydig Cell TumorGerminomaSeminomaTumor Markers, Biological