الفهرس 
Anatomy of the ureterOnly 14 pages are availabe for public view
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Abstract
Ureteroscopy is an excellent choice in management of the lower ureteric stones, its success rate reach 97 % (Lyon et al., 2002).
Regarding ureteral stenting after ureteroscopy, some authers believe that this method decrease ureteral stricture formation, protect the kidney and minimizes postoperative pain (Chen YT et al., 2002). However in other series, after considering the cost, Complication and side effects, the routine use of stents in uncomplicated ureteroscopy may be unnecessary (Denstedt et al., 2001).
The aim of the work is to study the consequences of non stented ureteroscopic retrieval of uncomplicated distal ureteric calculi, also to know the values and advantages of the non stented procedure.
Twenty five patients with lower ureteric comparable sized stones are preoperatively evaluated by history taking, clinical examination, radiologically and laboratory investigations, all patients underwent ureteroscopic removal of stones without leaving ureteric stent.
Postoperatively the patients were evaluated as regards symptoms of loin and abdominal pain, fever, lower urinary tract symptoms, and hospital stay.
Also we compare the degree of backpressure and urinary tract infection before and after the procedure.
It was found that postoperative fever occurred in only one patient, also majority of the patients are pain free (20 patients), lower urinary tract symptoms encountered in 4 patients only.
As regarding the hospital stay, the majority of patients discharged one day postoperative.
The follow up of the degree of backpressure before and after ureteroscopy by one month showed that 6 patients improved, 16 patient show stationary degree of backpressure while only one patient worsened.
Urinary tract infection before the procedure show 22 patient with positive pus cells and 3 patient with microscopic hematuria only, while after one month of ureteroscopy UTI detected in one patient only.
Due to the previous results, we can say that application of ureteric catheter or stent after uncomplicated ureteroscopic treatment of stones is no longer necessary but also lower all postoperative symptoms, decrease the cost of the procedure and dispense the patient of another hospital visit.