Eighteen scientific symposia have been scheduled for this year's Annual Meeting. For the first time, two patient surgeries will be telecast live during an Annual Meeting symposium, "Selective Exposures for Revision Hip and Knee Replacement, " on Friday, March 20, from 1 to 3 p.m. Academy fellows Wayne G. Paprosky, MD, and Robert L. Barrack, MD, will participate in the live surgical demonstrations from Tulane University Hospital in New Orleans. The surgical segments are entitled "Extended Trochanteric Osteotomy" and "Exposing the Stiff Failed Knee Replacement. " The popular symposium "Articular Cartilage Repair, Regeneration and Transplantation" will be offered on Saturday, March 21, from 8 to 10 a.m. Other scientific symposium topics include "Cumulative Trauma: Fact or Fiction? " "TSR - Decision-Making: How to Do it Best, " and "ACL Rehabilitation: A Clinical Approach with a Scientific Basis. " Complete information on speakers and topics is available on the Academy's home page at http://www.aaos.org in the "1998 Annual Meeting" section.