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  1. PSA test - Mayo Clinic

    Apr 30, 2025 · Learn about this prostate cancer screening test, including why it's done, what to expect, risks and results.

  2. Prostate-Specific Antigen (PSA) Test - NCI

    Learn what a PSA test is, plus the limitations and potential harms of the test when used to screen for prostate cancer.

  3. Screening for Prostate Cancer | Prostate Cancer | CDC

    Aug 4, 2025 · Because many factors can affect PSA levels, your doctor is the best person to interpret your PSA test results. If the PSA test is abnormal, your doctor may recommend a …

  4. Prostate-Specific Antigen (PSA) Test: Purpose & Results

    Mar 21, 2024 · A PSA (prostate-specific antigen) test is a blood test that helps healthcare providers diagnose and manage prostate cancer. High PSA levels don’t mean you have …

  5. Prostate-Specific Antigen (PSA) Test - MedlinePlus

    A PSA test is a blood test that screens for prostate cancer. PSA is made by your prostate. High levels may mean cancer or other prostate conditions. Learn more.

  6. Prostate-Specific Antigen: PSA Test and PSA Levels Explained

    Apr 5, 2024 · The prostate-specific antigen (PSA) test is used to measure blood PSA levels and help detect prostate cancer or other prostate abnormalities.

  7. What is a PSA test and how is it used? - Harvard Health

    Jul 14, 2025 · In this two-part series, we’ll describe the PSA test — how it’s used, and how doctors perform next steps in the event of an abnormal reading. Our first post addresses PSA …

  8. PSA Test: How It’s Done and What Results Mean - City of Hope

    Prostate specific antigen testing may help doctors evaluate cancer risk. Learn how a PSA test is performed and what the results mean.

  9. Tests for Prostate Cancer | Prostate Cancer Diagnosis

    The PSA blood test can be used to screen for prostate cancer in men without symptoms. It’s also one of the first tests done in men who have symptoms that might be caused by prostate cancer.

  10. Prostate-specific antigen - Wikipedia

    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 …