also called breast carcinoma-associated antigen, is used as a marker for Breast cancer. Eighty percent of women with breast cancer have an increased CA 27-29 level.
carcinoembryonic antigen (CEA)
It is a tumor marker for cancer of the colon and rectum
produced by cells in the breast and increased levels can be associated with breast cancer.
The prostate-specific antigen (PSA) test is a blood screen for prostate cancer.
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PSA (Prostate Specific Antigen) is usually found in blood of men with prostate cancer.
The biologic marker that is elevated is called the PSA (prostatic specific antigen), but this is not a hormone. However, in prostate cancer, it is desirable to lower the levels of a hormone group called androgens (including testosterone, among others).
CA stands for cancer antigen. The 72-4 is probably the designation based on numbering different cancer antigens that were found.
CEA is an acronym for carcinoembryonic antigen. Doctors will test the blood for CEA levels if they suspect cancer or to see if cancer treatment is helping.
Once treatment for the cancer has begun, CEA tests have a valuable role in monitoring the patient's progress.
It is a blood test. Not a semen test.
Although produced by a number of cell types, CA 125 is primarily produced by ovarian cancer cells. Eighty percent of women with ovarian cancer have increased CA 125 levels.