الفهرس 
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Abstract
This study was based on prospective analysis of 33 patients , 3 of them are bilateral (mean 36 endourologic procedure) who were presented to the urology department ,Minia university Hospital in the period between June 2012 and November 2013.
The mean age of patients was 30 years. The site was at intramural part of the ureter in 22, juxtavesical in 14.
Stricture length ranged from 0.5-1.5cm in 31, while long segment stricture > 1.5cm was found in 5 cases.
We managed only benign stricture. Causes were bilharzial in 22 and non bilharzial in 14 cases.
Stricture involved the left ureter in 23, and the right ureter in 13 cases. Bilateral cases were managed in one session. These lesions were managed by balloon dilatation using 6mm balloon catheter which was inflated to 12-15 atm. Double-j stent 6 or 7F was used for 4-6 weeks.
After 3-9 months , an overall successful clinical and radiological outcome with decompression of the upper urinary system and improved drainage pattern was achieved in 72.2% (26cases).
The success rate in bilharzial stricture was (63.6%) while it was (85.7%) in non bilharzial. Strictures less than 1.5 cm were managed successfully in (74.2%) while, successful treatment was achieved in 60% of strictures > 1.5 cm
In Conclusion, Balloon dilatation is feasible , non invasive and safe method of managing lower ureteric stricture . it is a day care procedure with a low rate of complication ; however, proper selection of cases as regard nature, location and length of stricture is important for better outcome.
In addition , the results of open surgical repair in patients with stricture recurrence following dilation do not seem to be compromised by previous endoscopic manipulation . Therefore , dilation and stent placement should be recommended initially in most patients.