WASHINGTON -- Researchers say they have found protein markers in a blood test that can be used to eliminate unneeded biopsies by sharpening the diagnosis of prostate cancer, the second-deadliest form of cancer among American men.
In a study appearing in the Journal of the National Cancer Institute, researchers report that they may eventually be able to determine to a high degree of accuracy if a man has prostate cancer by testing a pattern of protein traces found in a single drop of blood.
``With further study, this has the potential to revolutionize the diagnosis and treatment of prostate cancer,'' said Dr. David Ornstein, a prostate cancer specialist at the …

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