A detectable level of prostate-specific antigen (PSA) is the first indicator of recurrent prostate cancer after radical prostatectomy. In a new Mayo Clinic study, the concept of PSA doubling time is ...

A prostate-specific antigen (PSA) test is one tool that doctors use to screen for prostate cancer, which is cancer of the prostate gland, the small gland located between the bladder and the penis in ...

What Is Prostate-Specific Antigen? Your prostate is a gland that makes seminal fluid, which nourishes and transports your sperm when you ejaculate. It's about the size of a walnut and surrounds your ...

Many men are familiar with the routine: During your annual exam, your doctor slips on a glove and feels your prostate. The goal is to check this walnut-sized organ for lumps, hard spots, and other ...