
Prostate-Specific Antigen: PSA Test and PSA Levels Explained - WebMD
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.
PSA test - Mayo Clinic
Apr 30, 2025 · The PSA test is a blood test used primarily to screen for prostate cancer. The test measures the amount of prostate-specific antigen (PSA) in your blood. PSA is a protein …
Prostate-Specific Antigen (PSA) Test - NCI
Jan 31, 2025 · The PSA test is used to monitor people after surgery or radiation therapy for prostate cancer to see if their cancer has recurred (come back). If a person’s PSA level begins …
What is a PSA Test? How to Understand Your Levels
What is the PSA test? The test detects the prostate-specific antigen, which is a protein produced by cells in the prostate gland, both normal and malignant cells. Men who have prostate cancer …
Prostate-Specific Antigen (PSA) Test: Purpose & Results
Mar 21, 2024 · What is a PSA test? A prostate-specific antigen (PSA) test measures the amount of PSA in your body. It’s a type of blood test that reveals if you have elevated PSA levels. PSA …
What is a PSA test and how is it used? - Harvard Health
Jul 14, 2025 · PSA screening for prostate cancer came into widespread use during the early 1990s. But the test is controversial: prostate cancer grows slowly, and the concern is that PSA …
Explaining the PSA Test and PSA Levels | ProstateCancer.net
Doctors may need to run multiple tests to diagnose prostate cancer. The prostate-specific antigen (PSA) test is one of the tests that may help you and your doctor figure out whether you have …
The Prostate-Specific Antigen (PSA) Test - Prostate Cancer …
What is a PSA Test? The PSA test is the leading method of screening for prostate cancer. PSA screening can help catch the disease at an early stage when treatment may be more effective …
Prostate-specific antigen (PSA) blood test - MedlinePlus
Apr 29, 2025 · Prostate-specific antigen (PSA) is a protein produced by prostate cells. The PSA test is done to help screen for and monitor prostate cancer in men. A blood sample is needed. …
PSA Test (Prostate Specific Antigen) - MedicineNet
Apr 28, 2025 · PSA is measured by a simple blood test that does not require fasting or special preparation. Since the amount of PSA in the blood is very low, detection of it requires a very …