Health Care Encyclopedia
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PSA blood test Prostate-specific antigen (PSA) is a glycoprotein in the cytoplasm of prostatic epithelial cells. It can be detected in the blood of all adult men. The PSA level is increased in men with prostate cancer but can also be increased somewhat in other disorders of the prostate.
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| Review Date: 8/16/2004 12:00:00 AM
Reviewed By: Alex Spira, M.D., Ph.D., Johns Hopkins Oncology Center, Baltimore, MD. Review provided by VeriMed Healthcare Network and A.D.A.M. Medical Illustration Team.
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