Dr. Streem, 55, was pioneer in endourology

Stevan B. Streem, MD, who developed minimally invasive methods for treating renal blockage and calculi, died Feb. 5, 2005, of complications from melanoma.

Dr. Streem was the founder and head of the section of endourology at the Cleveland Clinic Glickman Urological Institute. He developed new techniques and therapies in stone treatment and removal that have been adopted by physicians worldwide.

Dr. Streem was an "expert surgeon" and a leader in the field of stone disease and endourology, Andrew Novick, MD, chairman of the Glickman Urological Institute, told the Cleveland Plain Dealer.