Two tests are commonly used to screen for prostate cancer—
As a rule, the higher the PSA level in the blood, the more likely a prostate problem is present. But many factors, such as age and race, can affect PSA levels. Some prostate glands make more PSA than others. PSA levels also can be affected by—
Because many factors can affect PSA levels, your doctor is the best person to interpret your PSA test results.
CDC and other federal agencies follow the prostate cancer screening recommendations set forth by the U.S. Preventive Services Task Force, which recommends against PSA-based screening for men who do not have symptoms. Other organizations, like the American Urological Association, [PDF-89KB] the American Cancer Society, and the American College of Physicians may have other recommendations. Talk to your doctor.
Understanding that men and their doctors may continue to screen for prostate cancer, CDC continues to support informed decision making. Informed decision making occurs when a man—