This article was reviewed by Darragh O’Carroll, MD. PSA and Testosterone: Are They Linked? Prostate-specific antigen (PSA) is ...

Men with a PSA level above the median for their age group are at higher risk for prostate cancer. The concept of what is "normal" enters into nearly every aspect of clinical decision making. For ...

For decades, it has been known that prostate specific antigen ‒ or PSA ‒ tests are a flawed way to diagnose prostate cancer. Many men have a high PSA without having cancer. Others have low PSA that ...

The concept of normal becomes a bit less unwieldy when considered in context. In point of fact, to define “‘normal’ requires a context,” says Robert G. Uzzo, MD, FACS, chairman of the Department of ...