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Types of Ovarian Cancer
Ovarian tumors are called after the name of the tissue where they occur. Therefore, there are three types of ovarian cancer:
1. Germ Cell Tumors
There are 4 germ cell tumors:
(1) Teratoma: This germ cell tumor has two main forms:
(2) Dysgerminoma: This is a common form a germ cell tumors that affects young girls and women (20 years-old or younger). It's main characteristic is that it does not grow or spread rapidly and can be surgical removed. Besides surgery, another effective treatment option available is chemotherapy (especially in more serious cases when the tumor spread or returns).
Stomal tumors have two main forms:
3. Epithelial tumors (Carcinomas)
Epithelial ovarian cancer is classified into distinct categories after three main characteristics: (1) the features of carcinoma cells, (2) the cancer grade and (3) the cancer stage.
Carcinoma cells are characterized by several specific features that can be seen under a microscope. Epithelial carcinoma tumors are classified into 4 categories: serous, mucinous, endometrioid, and clear cell types.
Ovarian carcinoma cancer is also classified on a three grade scale. An epithelial ovarian cancer in the first grade has a close to normal appearance and can be treated effectively, while an epithelial ovarian cancer in the third grade looks less like a normal tissue and has a worse prognosis.
Article by Alina Morrow, MS
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