prostate-specific antigen

Definition / meaning of prostate-specific antigen

A protein made by the prostate gland and found in the blood. Prostate-specific antigen blood levels may be higher than normal in men who have prostate cancer, benign prostatic hyperplasia (BPH), or infection or inflammation of the prostate gland. Also called PSA.

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Find More About 'prostate-specific antigen'

Source(s):

The Web site of the National Cancer Institute (http://www.cancer.gov/)

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