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 ...
Dec. 15, 2025 — For decades, when tests suggested that a man might have prostate cancer, the next step was usually a biopsy. The procedure, where a doctor uses a thin needle to collect prostate ...
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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