PSA stands for prostate-specific antigen, a substance naturally produced in prostate tissue. A small amount of PSA regularly sneaks into the bloodstream, and low blood concentration is considered ...
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What is a PSA test and how is it used?
In this two-part series, we'll describe the PSA test-- how it's used, and how doctors perform next steps in the event of an abnormal reading. Our first post addresses PSA screening for prostate cancer ...
The prostate health index (PHI) is a blood test that more accurately assesses the risk of prostate cancer than a traditional PSA test. The PHI combines three different PSA tests to create one risk ...
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