Ovarian tumor marker

Ovarian tumor marker (CA125) is a glycoprotein that exists in body cavity epithelium and Müller's canal. When these organs become diseased, serum CA125 increases correspondingly, especially for epithelial malignant ovarian tumors. The corresponding antigen of epithelial malignant ovarian tumor. CA125 is of great significance in the early diagnosis of ovarian cancer. It is a tumor-associated antigen on the surface of ovarian tumor cells. It exists in body cavity epithelial cells during embryonic development and disappears after birth, but it reappears in ovarian cancer cells and enters the systemic circulation. .