PSA levels can be detected in the blood, urine, or semen. Blood PSA testing is used as a screening test for prostate cancer. Prostate-specific antigen (PSA) levels by age remain the …

Prostate-specific antigen, or PSA, is a protein produced by normal, as well as malignant, cells of the prostate gland. Both prostate cancer and several benign conditions (particularly benign …

2024年4月5日 · The prostate-specific antigen (PSA) test is used to measure blood PSA levels and help detect prostate cancer or other prostate abnormalities.

2024年3月18日 · PSA levels can be measured in the bloodstream, and elevated PSA levels can sometimes be a symptom of prostate cancer. So, this antigen gives doctors a starting point to …

2023年4月27日 · 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 …

PSA exists in serum in multiple forms: complexed to alpha-1-anti-chymotrypsin (PSA-ACT complex), unbound (free PSA), and enveloped by alpha-2-macroglobulin (not detected by …

2022年9月23日 · Prostate-specific antigen（簡稱︰PSA，中文︰前列腺特異性抗原）是一種由前列腺細胞（惡性及正常）的蛋白質。 PSA 測試能量度血液中的 PSA 水平，檢測報告結果通常 …

Prostate specific antigen (PSA) is a protein found in semen. PSA levels are used to detect prostate cancer and monitor the progression of the disease. Learn about test uses, results, …

2024年9月10日 · In prostate cancer screening, an elevated serum prostate-specific antigen (PSA) level is the most common initial laboratory finding, as the vast majority of men with early …

What is a prostate-specific antigen (PSA) test? A prostate-specific antigen (PSA) test is a blood test that measures the level of PSA in a sample of your blood. PSA is a protein made by your …