This limitation is most evident when total PSA falls between 4–10 ng/mL, a range often referred to as the diagnostic gray zone. In this setting, PSA, % Free significantly improves risk stratification and …

Higher total PSA levels and lower percentages of free PSA are associated with higher risks of prostate cancer. Most prostate cancers are slow growing, so the utility of prostate cancer screening is …

3 dec. 2025 · The ratio is calculated by dividing the Free PSA concentration by the Total PSA concentration and expressing the result as a percentage. This percentage indicates the relative …

7 mei 2025 · Free PSA testing can reduce the need for unnecessary prostate biopsies by 85.5%, according to a 2021 study. It also can help determine if there’s a greater likelihood you have prostate …

The probability of prostate cancer is inversely related to the percentage of free PSA in serum, while PHI is directly related to cancer risk, but only when total PSA is within the defined range (dependent on …

We now realize this assessment is more complicated, and a high PSA doesn’t always mean cancer. A high PSA may be due to infection or inflammation of the prostate (prostatitis), prostate growth, or …

18 sep. 2025 · This blog will explain what PSA (Free & Total) means, how the test works, what your results may indicate, and why doctors recommend it as part of prostate cancer screening.

This guide will break down what PSA is, explain the difference between free and total PSA in simple terms, and why these tests matter for prostate cancer screening and diagnosis.

In individuals with a total prostate-specific antigen (PSA) concentration between 4.0 and 10.0 ng/mL, free PSA:total PSA ratio could help determine the relative risk of prostate cancer. The lower the free …

14 apr. 2023 · This article will examine when a doctor may use a free PSA test, how these differ from total PSA tests, and what the results might mean.