Ovarian Cancer (cont.)

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Borderline ovarian tumors

Borderline ovarian tumors account for a small percentage (approximately 10%) of epithelial ovarian cancers. They are most often serous or mucinous cell types. They often have presentations of large masses, but uncommonly metastasize. Often, thorough surgical staging is curative, even at more advanced stages.

Germ cell ovarian cancers

Germ cells tumors arise from the reproductive cells of the ovary. These account for less than 2% of all ovarian tumors. They include dysgerminomas, yolk sac tumors, embryonal carcinomas, polyembryomas, non-gestational choriocarcinomas, immature teratomas, and mixed germ cell tumors. They are relatively uncommon and also generally present in younger-aged women than does EOC.

Stromal ovarian cancers

Another category of ovarian tumor is the sex cord-stromal tumors. These arise from supporting tissues within the ovary itself. As with germ cell tumors, these are uncommon, accounting for only 5% to 8% of ovarian tumors. These cancers come from various types of cells within the ovary. They are much less common than the epithelial tumors. These include granulosa-stromal tumors and Sertoli-Leydig cell tumors.

Medically Reviewed by a Doctor on 9/24/2013

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