Results: The retroperitoneoscopic pyelolithotomy procedures for treatment of staghorn renal stones were completely successful in 8/9 cases (88.9%), 1 case (11.1%) required conversion to open surgery by heavy bleed.
Kết quả: Thành công 8/9 trường hợp (88,9%), 1 trường hợp chuyển mổ hở là do chảy máu (11,1%).