Dr. Paul Donohue: No lab test perfect, including PSA
Dear Dr. Donohue: I enclosed your recent column on PSA. I also have enclosed an article that sets forth the extremely low accuracy of the PSA and describes the highly accurate EPCA-2. I had a high PSA number, and my doctor was poised to poke and cut until I showed him the EPCA-2 article. He then informed me he could do the test in about two minutes, which he did. It came back negative. Why did …
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