Types of Ovarian Cancer
Epithelial Ovarian CancerEpithelial ovarian cancer is the most common type of ovarian cancer, accounting for up to 90% of epithelial ovarian cancers.
Epithelial ovarian cancer is named after the epithelial cells that line the ovaries. This type of cancer originates in the epithelium.
Germ Cell Tumors
Germ cell tumors are rare and account for about 5% of ovarian cancer cases. Women under 30 at mostly diagnosed with a germ cell tumor.
This type of ovarian cancer begins in the cells where eggs are produced (the ova).
Sex Cord Stromal Tumors
Stromal cord tumors begin in the connective tissue responsible for the production of estrogen and progesterone. This kind of tissue also holds the ovaries in place.
Sex cord stromal tumors can affect women of any age.
Sources:
American Cancer Society. Detailed Guide: Ovarian Cancer; What is Ovarian Cancer?
OVCa Australia. National Ovarian Cancer Network. What is it?

