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Introduction to Benign Prostate Disorders

by Gerald L. Andriole, MD

The prostate gland lies just under the bladder and surrounds the tube that carries urine from the bladder (the urethra). It produces the fluid in the semen that nourishes sperm. Walnut-sized in young men, the prostate gland enlarges with aging. Three common disorders affect the prostate: enlargement (benign prostatic hyperplasia), infection (prostatitis), and cancer (see Prostate Cancer).