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Prostate-specific antigen. Prostate-specific antigen (PSA) is secreted by the epithelial cells of the prostate gland and can be detected in a sample of blood. [14] PSA is present in small quantities in the serum of men with healthy prostates, but is often elevated in the presence of prostate cancer or other prostate disorders. [15]
What Your PSA Test Results Mean THE PSA IS a good initial “check engine light” for the prostate, says Garrett Pohlman , M.D., a urologist and host of The Prostate Health Podcast.
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.
Those with high levels of PSA in their blood are at increased risk for developing prostate cancer. Diagnosis requires a biopsy of the prostate. If cancer is present, the pathologist assigns a Gleason score, and a higher score represents a more dangerous tumor. Medical imaging is performed to look for cancer that has spread outside the prostate ...
Researchers say the current means of testing, called a prostate specific antigen (PSA), is unreliable and means men are sent for expensive MRI scans which can come with long waiting lists ...
Prostate cancer is the second most common cause of cancer death among men, according to the American Cancer Society. This year, the organization projects that about 300,000 new cases will be ...
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