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The prostate-specific antigen (PSA) test is a common way to detect prostate cancer in its earliest stages.
http://mednews.wustl.edu
New studies of a blood protein recently identified at Johns Hopkins, early prostate cancer antigen-2 (EPCA-2), may change the way men are screened for prostate cancer.
http://www.consumeraffairs.com
Further work will be needed to simplify the test and to examine larger numbers of men to determine its cost-effectiveness before it can be applied more widely.
http://www.labtestsonline.org.uk
Significant numbers of older men whose results on a popular screening test for prostate cancer are normal may nonetheless have cancer, a new study has found.
http://ww.nytimes.com