This page is being served from the Urological Sciences Research Foundation web repository, and was originally posted between 1996-2008. In January 2009 USRF’s founder, Dr. Leonard S. Marks and his staff joined UCLA’s Department of Urology where they are continuing their research. Click for more information.
![]() |
| Alcohol injection is performed by Dr. Leonard Marks (center), while Dr. Mark Plante (at left) observes. Monitor in foreground demonstrates obstructing lobes of prostate. At right is anesthesiologist, Dr. Luis Torres. Topical anesthesia plus intravenous sedation are used for this 10-minute procedure. |
![]() |
| Key to successful injection of the alcohol is the curved, endoscopic needle, Prostaject, being shown here by Dr. Mark Plante (center) to Dr. Leonard Marks (right) and surgical technician, Manuel Perez (left). |