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1. healthmatters.io › understand-blood-test-results › psa-freePSA, % Free - Lab Results explained | HealthMatters.io

   healthmatters.io › understand-blood-test-results › psa-free

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   PSA traveling alone is called free PSA. The free-PSA test measures the percentage of unbound PSA; the PSA test measures the total of both free and bound PSA. Prostate cancer can raise PSA levels, but so can other conditions. These include an enlarged prostate, prostatitis, and advancing age.

2. www.healthline.com › health › prostate-cancer-free-psaFree PSA and Prostate Cancer: What You Should Know - Healthline

   www.healthline.com › health › prostate-cancer-free-psa

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   29 kwi 2017 · On average, free PSA testing can reduce the need for 20 percent of unnecessary biopsies. It also can help determine if there’s a greater likelihood you have prostate cancer.

3. www.hellozdrowie.pl › badanie-psa-interpretacja-wynikow-norma-i-praktyczne-inBadanie PSA – interpretacja wyników, norma i praktyczne...

   www.hellozdrowie.pl › badanie-psa-interpretacja-wynikow-norma-i-praktyczne-in

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   25 maj 2020 · Przekroczona norma stężenia PSA we krwi nie zawsze oznacza zmiany nowotworowe, ale jest wskazówką, że organizm nie pracuje prawidłowo. Uznaje się, że wartości między 4- 10 ng/ml (tzw. “szara strefa”) mogą sugerować nowotwór prostaty, ale też łagodny rozrost stercza lub jego zapalenie.

4. www.medicalnewstoday.com › articles › 322001Free PSA: Test, results, and prostate cancer - Medical News Today

   www.medicalnewstoday.com › articles › 322001

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   14 kwi 2023 · A free PSA test measures the level of prostate-specific antigens (PSA) that are not bound to other proteins in the blood. This helps diagnose prostate issues.

5. www.mayoclinicproceedings.org › article › S0025-6196(11)63334-XPercent Free Prostate-Specific Antigen: Entering a New Era in the...

   www.mayoclinicproceedings.org › article › S0025-6196(11)63334-X

   When the total PSA value is in the normal range, percent free PSA improves the sensitivity of the PSA test (improves cancer detection). When the total PSA value is 4.1 to 10.0 ng/mL, percent free PSA improves the specificity of the PSA test (eliminates negative prostate biopsies).

6. www.mdanderson.org › cancerwise › prostate-specific-antigen--psa--levels-by-ageProstate specific antigen (PSA) levels by age: What to know

   www.mdanderson.org › cancerwise › prostate-specific-antigen--psa--levels-by-age

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   18 mar 2024 · What constitutes a normal prostate-specific antigen (PSA) level? Why might someone’s PSA levels be elevated? And, is there such a thing as a “dangerously high” PSA level? Urologic surgeon Lisly Chéry, M.D., weighs in on these and three other frequently asked questions.

7. www.mayoclinic.org › tests-procedures › psa-testPSA test - Mayo Clinic

   www.mayoclinic.org › tests-procedures › psa-test

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   27 kwi 2023 · Percentage of free PSA. PSA circulates in the blood in two forms — either attached to certain blood proteins or unattached (free). If you have a high PSA level but a low percentage of free PSA , it may be more likely that you have prostate cancer.