prostate-specific antigen test

Pronunciation: (PROS-tayt-speh-SIH-fik AN-tih-jen ...)

A blood test that measures the level of prostate-specific antigen (PSA), a substance produced by the prostate and some other tissues in the body. Increased levels of PSA may be a sign of prostate cancer.

Source: NCI Dictionary of Cancer Terms

2003-07-26