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Nondetectable prostate-specific antigen in moderately differentiated adenocarcinoma of prostate
R L Daugherty1, L R Cos, J W Keller
1Department of Urology, University of Rochester School of Medicine and Dentistry, New York.
Urology
|June 1, 1992
Abstract:
Prostate-specific antigen (PSA) is a glycoprotein derived from prostatic ductal and acinar epithelial cells. The main clinical use of PSA is as a marker of prostate tumor progression/recurrence. We present a case of a sixty-nine-year-old patient with recurrent endometrioid carcinoma of the prostate (status post-radical prostatectomy, hormonal therapy, and external beam radiation therapy) with normal serum PSA.