Histological Distribution of Sapien’s Ovarian Cancer Cases

Ovarian cancer is comprised of various tumour groups that are histologically distinct which is important to know for their treatment. The cancer may originate in one or both ovaries, as well as in the nearby fallopian tubes or peritoneum. Diverse types of ovarian cancers are categorized based on the originating cell’s name.

Epithelial ovarian carcinomas, known as cancerous epithelial tumours, are the most prevalent among ovarian cancers. The American Cancer Society states that approximately 85 to 90 percent of ovarian cancers originate from epithelial cells that encase the outer surface of the ovary. Sapien ovarian cancer data of 1445 cases also shows that 95% of cases constitute epithelial tumours while only 5% are non-epithelial tumours such as germ cell and stromal tumours. Among epithelial tumours, 55% are identified as serous, followed by endometroid, adeno, mucinous, and clear cell carcinomas. In contrast, 64% of non-epithelial tumours are germ cell tumors and 36% are stromal tumors.