Cancer & Oncology

PSA

Also called: Prostate-specific antigen

What does PSA mean?

A prostate-produced protein measured in blood. It can rise with prostate cancer, benign enlargement and inflammation.

U.S. National Library of Medicine
Understanding Medical Words ↗ National Cancer Institute
Cancer Terms Dictionary ↗ CDC
Vaccine Glossary ↗

This is a plain-language Healthway explanation, not an individual diagnosis. The meaning of a term can change with the clinical context in which it appears.