© 2004 by Oxford University Press
© 2004 Oxford University Press
EDITORIALS |
Improved Biomarkers for Prostate Cancer: A Definite Need
Affiliation of authors: James Buchanan Brady Urological Institute, Johns Hopkins School of Medicine, Baltimore, MD
Correspondence to: H. Ballentine Carter, MD, James Buchanan Brady Urological Institute, Johns Hopkins School of Medicine, 600 N. Wolfe St., Marburg Bldg., Rm. 403, Baltimore, MD 21287 (e-mail: hcarter@jhmi.edu)
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Prostate-specific antigen (PSA) screening for prostate cancer is now widespread in the United States among men of all ages (1). Although prostate cancer mortality has fallen in the United States since the onset of widespread screening, a relationship between screening and the decline in mortality has not been proven.
There is general agreement among clinicians that the PSA test has the highest predictive value for prostate cancer, that PSA screening can detect early-stage cancers possibly 10 years earlier than without the PSA test, and that most cancers detected
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