Overview What is a PSA test? A prostate-specific antigen (PSA) test measures the amount of PSA in your body. PSA is a protein that your prostate gland makes. Normal and cancerous prostate tissue make PSA. However, prostate cancer tends to produce it in higher amounts. High PSA levels may indicate prostate cancer.
You should discuss the pros and cons of having a PSA test with your doctor. If you do receive a PSA test, your doctor will need to put the results in perspective with your age, how long you can be expected to live, your family medical history, your race and the results of any previous PSA tests. As part of a prostate-cancer exam, your doctor may perform this test, which is used to check the size of the prostate gland and to look for abnormal bumps or other changes. But if you do it Gr4vJ.