Prostate Specific Antigen

More About Prostate Specific Antigen

Prostate Specific Antigen (PSA)
PSA is a protein produced mainly by cells in the prostate gland and can be a useful indicator of prostate cancer. This protein can be found in all males. Elevated levels do not always indicate cancer men whose levels are increased may have an infection of the prostate gland (prostatitis) or prostate enlargement. In blood, PSA is present both as free PSA and as complexed PSA bound to other blood proteins.

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