Total and free PSA: what it is, what the test is for and results
PSA, known as Prostate Specific Antigen, is an enzyme produced by prostate cells whose increased concentration may indicate changes in the prostate, such as prostatitis, benign prostate hypertrophy or prostate cancer, for example. Normally, the PSA blood test is indicated at least once a year for all men over 45 years of age, but it […]
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