Test #010322Test for PSA, a glycoprotein produced exclusively in the prostate gland. Elevated PSA levels can indicate prostate cancer or a noncancerous condition such as prostatitis or an enlarged prostate.
Also Known As: PSA, Serum.
Prostate-specific antigen (PSA) is a glycoprotein produced by the epithelial cells lining the prostatic ducts and acini. Normally, it is secreted into the prostatic ducts and is present only in prostate tissue, prostatic fluid, and seminal plasma. PSA is produced by normal, hyperplastic, and cancerous prostatic tissue. PSA is used as a tumor marker for the early detection of prostate cancer and in other areas of prostate disease management.1 The
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