left ovary, Associated with presence of Y chromosomeMixed germ cell tumors10% of germ cell j neoplasms Dysgerminoma + endodermal sinus tumor (most common)Polyembryomaextremely rare Embryoid bodiesAFP and HCG +Sex cord- stromal tumors (5-8% of all ovarian tumors)All are estrogen producing (hirsutism)Granulosa cell tumors70% of sex cord stromal tumors CaJl-Exner bodiesThecoma ExclusivelyunilateralExclusively benignSertoli-Leydig cell tumorsRareRarely bilateral GynandroblastomaRare Both ovarian (granulosa/ theca) & testicular (Sertoli/ Leydig) cellsMetastatic(5-6% of all ovarian malignancies)Krukenberg Tumor eponyrn is used to denote any GI carcinoma metastatic to the ovary, mostly stomach carcinoma.The primary ovarian tumor stain positive for cytokeratin 7 (CK7+) & negative for CK20. While metastatic lesion is CK7 negative, CK20 positive).">