Ureteric stricture is condition in which there is narrowing of the ureter, due to many diseases and procedures resulting in a upper urinary tract obstruction.
Upper urinary tract strictures may be either congenital (from birth) or acquired (occur later in life). The most ureteral strictures are acquired and usually are iatrogenic (due to treatment procedures in hospital) while Congenital ureteral strictures most commonly are located at the uretero-pelvic junction (UPJ) .
Iatrogenic ureteral stricture – disease occur usually due to injury during open, endoscopic, or laparoscopic surgical operations. Recent practice of ureteroscopic intervention has led to a increased incidence of ureteral strictures. Gynecologic procedures, like radical hysterectomy, and various general and vascular surgical procedures also carry a high risk of ureteral injury. Ureteroileal strictures arising after urinary diversion or kidney transplantation represent special types of lesions.
Non-iatrogenic acquired ureteral strictures usually are due to spontaneous passage of calculi( urine stones) or long term infection of ureter, such as tuberculosis and schistosomiasis.
Treatment for Ureteric stricture are: