Journal of the National Cancer Institute Advance Access originally published online on October 28, 2008
JNCI Journal of the National Cancer Institute 2008 100(21):1487-1488; doi:10.1093/jnci/djn368
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© The Author 2008. Published by Oxford University Press.
EDITORIALS |
Prostate-Specific Antigen: A Misused and Maligned Prostate Cancer Biomarker
Affiliations of authors: Department of Urology, University of Texas Health Science Center at San Antonio, San Antonio, TX; Fred Hutchinson Cancer Research Center, Seattle, Washington, DC
Correspondence to: Ian M. Thompson, MD, Department of Urology, University of Texas Health Science Center at San Antonio, 7703 Floyd Curl Dr, San Antonio, TX 78229 (e-mail: thompsoni@uthscsa.edu).
| The first 10% of the full text of this article appears below. |
Prostate cancer is a conundrum. It is ubiquitous in aging men and, although the lifetime risk of death is only about 3%, it causes almost 30 000 deaths per year. The cancer is asymptomatic until metastatic and at that stage, median survival is about 3 years. The advent of prostate-specific antigen (PSA) testing in combination with ultrasound-guided biopsy has dramatically increased cancer detection; a PSA test result is currently the "prompt" for the majority of prostate biopsies, and although only about half of the population receives regular PSA testing, it has effectively doubled the lifetime risk of receiving a prostate cancer diagnosis. It is currently unclear to what extent PSA screening has decreased
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