What is the Prostate Specific Antigen (PSA) Test?The protein produced by cells of the prostate gland is known as the prostate specific antigen, or PSA. The test used to measure the levels of PSA in the blood is called the PSA test. The procedure is relatively simple, your doctor will take a blood sample and the amount of PSA in the blood is measured in a laboratory. PSA levels produced by the body are sometimes called biological markers or tumor markets since the measured levels of PSA can be used to detect possible problems. For men, it is normal to have a low level of PSA in the blood. However, prostate cancer as well as other benign conditions can increase PSA levels in men. As men get older the prospect of both prostate cancer and benign prostate conditions become more common. Prostatitis, which is an inflammation of the prostate, and benign prostatic hyperplasia (BPH), which is an enlargement of the prostate, are the most frequent benign prostate conditions. It is possible for a man to have one or both of these conditions and to develop prostate cancer as well. However, there is no
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