Definitions for "Prostate specific antigen"
a protein secreted by the epithelial cells of the prostate gland including cancer cells; an elevated level in the blood indicates an abnormal condition of the prostate gland, either benign or malignant; it is used to detect potential problems in the prostate gland and to follow the progress of PCA therapy (see SCREENING)
A PSA test is used as a screening test for prostate cancer. Elevated levels of PSA also may indicate prostate injury, infection, or benign (non-cancerous) prostate enlargement.
Prostate specific antigen is an enzyme that is produced only by prostate cells and can be measured with a simple blood test. An elevated level raises the suspicion of prostate cancer.
Keywords:  manufactured, substance
A substance manufactured mainly by the prostate.