SUTURA

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retrograde intrarenal surgery

retrograde intrarenal surgery A procedure for performing surgery within the kidney by using a viewing tube called a fiber-optic endoscope. Abbreviated RIRS. In RIRS, the scope is placed through the urethra into the bladder and then through the ureter, into the urine-collecting part of the kidney. RIRS may be done to remove a stone. The stone can be seen through the scope, manipulated or crushed by an ultrasound probe, evaporated by a laser probe, or grabbed with small forceps. RIRS is performed by a specialist, a urologist with special expertise in RIRS (endourologist). The procedure is usually done under general or spinal anesthesia. The advantages of RIRS over open surgery include a quicker solution of the problem, the elimination of prolonged pain after surgery, and much faster recovery. Also known as kidney scoping.