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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. [2] Screening precedes a diagnosis and subsequent treatment.
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.
A positive PSA test may indicate prostate cancer, but high levels of PSA in the blood can also happen due to other noncancerous reasons, such as: enlarged prostate, or benign prostatic hyperplasia ...
Prostate Cancer. Prostate cancer is most common over the age of 50. Some people do not experience symptoms, so regular screening with prostate-specific antigen (PSA) tests and digital rectal exams ...
Prostate cancer is the uncontrolled growth of cells in the prostate, a gland in the male reproductive system below the bladder. Abnormal growth of prostate tissue is usually detected through screening tests, typically blood tests that check for prostate-specific antigen (PSA) levels. Those with high levels of PSA in their blood are at increased ...
In 1994, the Food and Drug Administration approved the use of measurements of the prostate specific antigen (PSA) to be used as part of a screening test for prostate cancer. That changed a decade ...
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