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2. Prostate-specific antigen - Wikipedia

   en.wikipedia.org/wiki/Prostate-specific_antigen

   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.

3. 10 Warning Signs of Prostate Cancer, According to Doctors - AOL

   www.aol.com/lifestyle/10-warning-signs-prostate...

   Men without prostate cancer typically have PSA levels of under 4 nanograms per milliliter (ng/mL), according to the American Cancer Society. PSA levels between 4 and 10 suggest you could have ...

4. What Your PSA Test Says About Your Prostate - AOL

   www.aol.com/psa-test-says-prostate-110000368.html

   “Elevated PSA blood test means there is some abnormality, the most concerning of which is prostate cancer,” he says. But it doesn’t necessarily mean that you have cancer.

5. Prostate cancer screening - Wikipedia

   en.wikipedia.org/wiki/Prostate_cancer_screening

   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]

6. Tumor marker - Wikipedia

   en.wikipedia.org/wiki/Tumor_marker

   Reflect the stage of cancer; By determining the stage of cancer, it's possible to give a prognosis and treatment plan. [4] Screening for cancers; No screening test is wholly specific, and a high level of tumor marker can still be found in benign tumors. The only tumor marker currently used in screening is PSA (prostate-specific antigen ...

7. Doctors Explain What Prostate Cancer Screenings Involve

   www.aol.com/doctors-explain-prostate-cancer...

   High PSA could also suggest other conditions, like an enlarged prostate. The PSA test is often paired with a digital rectal exam (DRE), where a doctor inserts their finger into the rectum to feel ...