The more recently identified carcinoembryonic protein is CA 72-4. Although it is slightly elevated with most carcinomas, it is mostly associated with gastric carcinoma (stomach cancer).
carcinoembryonic antigen (CEA)
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.
It is a tumor marker for cancer of the colon and rectum
The carcinoembryonic antigen (CEA) test is a blood test used to measure the level of a protein that may be elevated in certain types of cancer, particularly colorectal cancer. It is often used to monitor cancer progression, assess response to treatment, and detect cancer recurrence. However, it is not specific to cancer and can also be elevated in non-cancerous conditions.
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).
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.
CA stands for cancer antigen. The 72-4 is probably the designation based on numbering different cancer antigens that were found.
Once treatment for the cancer has begun, CEA tests have a valuable role in monitoring the patient's progress.