PSA Screening May Be Biased Against Obese Men, Leading To More Aggressive Cancers
Friday, August 8, 2008 - 09:21
in Health & Medicine
Testing men for elevated levels of prostate-specific antigen in the blood -- the gold standard screening test for prostate cancer -- may be biased against obese men, whose PSA levels tend to be deceptively low. And this bias may be creating more aggressive cancers in this population by delaying diagnosis, according to a new study.