National Cancer Institute National Cancer Institute
U.S. National Institutes of Health National Cancer Institute
Dictionary of Cancer Terms
Send to Printer
PSA

 A substance produced by the prostate. It may be found in higher levels in the blood of men who have prostate cancer, benign prostatic hyperplasia, infection or inflammation of the prostate. Also called prostate-specific antigen.

Previous Definitions:Provenge, proximal, Proxinium, pruritus, PS-341
Next Definitions:PSA bounce, PSA failure, psammoma body, PSC 833, pseudomyxoma peritonei