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www.medicinenet.com/prostate_specific_antigen/article.htm

The "normal" PSA serum concentration remains a debate, however, for most laboratory readings, it should be less than 4.0 ng/mL. The prostate gland generally ...

www.choosingwisely.org/patient-resources/psa-test-for-prostate-cancer

For years, doctors have used a PSA blood test to screen men for prostate cancer. The test measures a protein made by the prostate gland, ...

www.roswellpark.org/cancer/prostate/prevention-early-detection/early-detection

PSA levels in the blood increase when a man has prostate cancer, an infection, or a condition called benign prostatic hypertrophy (BPH) or benign prostatic ...

www.ncbi.nlm.nih.gov/pmc/articles/PMC4548626

On the use of PSA as a screening test for prostate cancer, ... Despite all of these problematic issues about serum PSA levels, PSA test is the most ...

www.aafp.org/afp/2015/0501/od3.html

May 1, 2015 ... Studies show no deaths were prevented and 1 in 5 underwent a prostate biopsy for a false-positive test. Read more.

www.texasurologyspecialists.com/procedures/psa-testing

A new PSA test has been developed to better distinguish whether the PSA is elevated from prostate cancer or benign prostate disease and is called a free PSA ...

www.uptodate.com/contents/screening-for-prostate-cancer

Jul 1, 2021 ... An analysis found that discontinuing PSA testing at age 65 for men with PSA levels 0.5 ng/mL or less would still identify all cancers that would ...

www.healthline.com/health/psa-levels-prostate-cancer

A PSA test is a test that measures the levels of the protein in the blood. The results are typically given in nanograms of PSA per milliliter ...

www.everydayhealth.com/prostate-cancer/non-cancerous-reasons-your-psa-levels-are-high.aspx

Sep 6, 2017 ... PSA tests measure a protein in your blood called prostate specific antigen. Prostate cancer makes PSA levels go higher, but a high PSA test ...

cancer.ca/en/treatments/tests-and-procedures/prostate-specific-antigen-psa-test

If you have a total PSA level between 4 and 10, doctors may test your blood for free PSA. A percent-free PSA above 25% is considered normal. Some doctors ...

www.cancer.gov/types/prostate/psa-fact-sheet

Feb 24, 2021 ... In the past, most doctors considered PSA levels of 4.0 ng/mL and lower as normal. Therefore, if a man had a PSA level above 4.0 ng/mL, doctors ...