PMID: 7542822Aug 1, 1995Paper

Normal range prostate-specific antigen versus age-specific prostate-specific antigen in screening prostate adenocarcinoma

Urology
R E el-GalleyS D Graham

Abstract

Prostate-specific antigen (PSA) has become the most useful serum tumor marker in the diagnosis and screening of prostate adenocarcinoma. The currently cited reference range of normal (0 to 4.0 ng/mL monoclonal) lacks both the sensitivity and specificity to be universally accepted as a screening test, and alternatives to serum PSA have been proposed, such as PSA density, PSA velocity, and age-adjusted PSA. Age-adjusted PSA takes into account the facts that as men grow older the prostate enlarges and that screening should have maximum sensitivity in younger men and maximum specificity in older men. A population of 4,710 men with no known history of prostate adenocarcinoma underwent 5,629 examinations by transrectal ultrasound of the prostate (TRUS) from 1987 to 1994. This population consists of Mobile Urology Group, Mobile, Alabama, and Emory University, Atlanta, Georgia, patient databases. We have examined our data to determine the sensitivity, specificity, and positive predictive values for normal range PSA (0 to 4 ng/mL) versus age-specific PSA values. A total of 2040 patients had an abnormal digital rectal examination (DRE) and 3581 procedures were performed for an elevated PSA and a normal DRE. Biopsies were performed in 2,6...Continue Reading

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Nov 20, 2003·Urology·Andreas P BergerWolfgang Horninger
Aug 1, 1996·The New England Journal of Medicine·T O MorganJ W Moul
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