Prostate Specific Antigen (PSA)

Prostate Gland
May 29, 2014
Prostatectomy
May 29, 2014

Prostate Specific Antigen (PSA)

A blood test that measures a substance manufactured solely by prostate gland cells. An elevated reading indicates an abnormal condition of the prostate gland, either benign or malignant. It is presently the most sensitive tumor marker for the identification and monitoring of prostate cancer.