CA-125 Tumor Marker
(CA-125)

Alternate Names

  • Cancer Antigen 125

The presence of high levels of the antigen CA-125 in the blood is a tumor marker, and indicates ovarian cancer. This test is very accurate when used to diagnose ovarian cancer and to monitor how well you are responding to treatment; to identify the risk of cancer recurrence, and to also help to determine prognosis. CA-125 levels are not used as a screening tool for ovarian cancer, since high blood levels are also seen in colon, lung and pancreatic cancer. The presence of the non-cancerous conditions endometriosis, cirrhosis, pancreatitis, peritonitis, or pelvic inflammatory disease (PID) can cause high blood levels of CA-125, as well as pregnancy, menstruation, or recent abdominal surgery.

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Comments on CA-125 Tumor Marker (2 total) Participate in the discussion

mel

Posted 6 years ago
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Anyone had high CA 125 levels after treatment for endometriosis ?

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Posted 6 years ago
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I had cysts and a ca 125 of 150 which rose to 229. I had a lalaparoscopy to remove the cysts which were benign. They also said I had mild emdometriosis which they also removed. I had no symptoms. 8 months later, I have the cyst back with pain this time. My ca125 is139. I\'ve been told its okay as its often elevated in endo. I\'m still worried as they removed it so shouldn\'t it be normal.

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