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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]
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.
Here’s an overview of what PSA test results mean and the next steps if your levels are high. What Your PSA Test Results Mean. THE PSA IS a good initial “check engine light” for the prostate, ...
The other is a PSA blood test, which measures the amount of a protein that’s produced by cancerous and noncancerous cells in the prostate. “Elevated PSA levels can be an indicator of prostate ...
Men with high PSA levels are often recommended to repeat the blood test four to six weeks later, as PSA levels can fluctuate unrelated to prostate cancer. [17] Benign prostatic hyperplasia, prostate infection, recent ejaculation, and some urological procedures can increase PSA levels; taking 5α-reductase inhibitors can decrease PSA levels. [15]
Medicare typically covers annual preventive care, including the PSA test, if you meet the eligibility criteria. Learn more.
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