A new PSA density test may help identify men at high risk of developing prostate cancer.The test, used after a biopsy finds no signs of life-threatening prostate cancer, can compare the size of a man's prostate to his levels of a cancer-related protein called prostate-specific antigen (PSA).
Even though both men with high and low PSA densities can have clean biopsies, studies show it's men with very high PSA densities who are at greatest risk of developing prostate cancer. This and the fact that biopsies can miss between 20 and 33 percent of tumors makes this new test a potential breakthrough for the prevention and detection of prostate cancer.
