Category: Articles

By Thomas H. Douglas, MD Background:One of the most common procedures we perform as urologists is a vasectomy—an office procedure to prevent the flow of sperm into the ejaculate by dividing the vas deferens on both sides of the scrotum. This is almost always performed through …

Todd D. Cohen, MD and Glenn M. Preminger, MD From the Comprehensive Kidney Stone Center (GMP), and the Division of Urology, Department of Surgery (TDC, GMP), Duke University Medical Center, Durham, North Carolina The treatment of renal calculi has undergone dramatic changes compared with all other aspects of urologic …