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2. Prostate-specific antigen - Wikipedia

   en.wikipedia.org/wiki/Prostate-specific_antigen

   Prostate-specific antigen (PSA), also known as gamma-seminoprotein or kallikrein-3 (KLK3), P-30 antigen, is a glycoprotein enzyme encoded in humans by the KLK3 gene. PSA is a member of the kallikrein -related peptidase family and is secreted by the epithelial cells of the prostate gland in men and the paraurethral glands in women.

3. Doctors Explain What Prostate Cancer Screenings Involve

   www.aol.com/doctors-explain-prostate-cancer...

   A PSA is like any routine blood test, Dr. Feng says. But you should refrain from ejaculating for at least 48 hours before the exam. This could temporarily raise your PSA levels, which might ...

4. What Your PSA Test Says About Your Prostate - AOL

   www.aol.com/psa-test-says-prostate-110000368.html

   What Your PSA Test Results Mean. THE PSA IS a good initial “check engine light” for the prostate, says Garrett Pohlman, M.D., a urologist and host of The Prostate Health Podcast. But it can ...

5. Prostate cancer screening - Wikipedia

   en.wikipedia.org/wiki/Prostate_cancer_screening

   The 4Kscore combines total, free and intact PSA together with human kallikrein 2. [46] It is used to try to determine the risk of a Gleason score greater than 6. [46] The Prostate Health Index (PHI) is a PSA-based blood test for early prostate cancer screening. It may be used to determine when a biopsy is needed.

6. 10 Warning Signs of Prostate Cancer, According to Doctors - AOL

   www.aol.com/lifestyle/10-warning-signs-prostate...

   PSA levels between 4 and 10 suggest you could have about a 25 percent chance of prostate cancer, and levels over 10 signal that your chance of having the cancer is more than 50 percent.

7. Reference ranges for blood tests - Wikipedia

   en.wikipedia.org/wiki/Reference_ranges_for_blood...

   Reference ranges (reference intervals) for blood tests are sets of values used by a health professional to interpret a set of medical test results from blood samples. Reference ranges for blood tests are studied within the field of clinical chemistry (also known as "clinical biochemistry", "chemical pathology" or "pure blood chemistry"), the ...