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Prostate specific antigen | Radiology Reference Article . . . Prostate specific antigen (PSA) is used as a tumor marker for prostate cancer PSA is a 33-kilodalton glycoprotein produced in prostate epithelial cells Its normal physiologic role is as a liquefying agent for seminal fluid; only a tiny amount leaks into the blood, so its normal serum level is usually very low
Elevated Prostate Specific Antigen - Radiology Key The PSA test measures the level of PSA in the blood and is considered a valuable screening tool for early, curable, organ-confined prostate cancer On a volume-per-volume basis, prostate cancer contributes 10 times the amount of PSA to the serum as benign prostate tissue, which is why serum PSA levels are often elevated in patients with
What Does a Urologist Do If Your PSA Is Elevated? Elevated prostate-specific antigen (PSA) levels don’t always mean there are prostate problems like prostate cancer or an enlarged prostate PSA levels in men can fluctuate throughout the month A urologist will want to perform another PSA test about four to six weeks after the first test along with some additional tests to diagnose the issue
Exploring Very High PSA Levels Without Cancer - getlabtest. com Discover why very high PSA levels can occur without cancer and learn the steps to manage them effectively When PSA (Prostate-Specific Antigen) test results come back showing elevated levels, it can naturally cause significant concern However, it's important to understand that very high PSA levels don't always indicate prostate cancer