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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 the kallikrein-related peptidase family and is secreted by the epithelial cells of the prostate gland in men and the paraurethral glands in women.
Prostate cancer screening is the screening process used to detect undiagnosed prostate cancer in men without signs or symptoms. [1] [2] When abnormal prostate tissue or cancer is found early, it may be easier to treat and cure, but it is unclear if early detection reduces mortality rates.
Prostate cancer is the uncontrolled growth of cells in the prostate, a gland in the male reproductive system below the bladder.Abnormal growth of the prostate tissue is usually detected through screening tests, typically blood tests that check for prostate-specific antigen (PSA) levels.
PSA levels between 4 and 10 suggest you could have about a 25 percent chance of prostate cancer, and levels over 10 signal that your chance of having the cancer is more than 50 percent.
At the moment, doctors offer PSA tests to men with prostate cancer symptoms, but cannot proactively offer them to high-risk men with no symptoms, such as men over 50, black men and men with a ...
The NHS Health Check is a preventive healthcare programme in the United Kingdom offered by National Health Service. The programme invites adults aged between 40 and 74 in England for a health check-up every five years to screen for key conditions including heart disease , diabetes , kidney disease , and stroke . [ 1 ]