Preoperative Diagnosis

Effectifs

Percentage (%)

Stenosis of the ureterovesical junction

20

40

Kidney stone

12

24

BPH

7

14

Ureteral stone

4

8

Bladder cancer

3

6

Posterior urethral valve

2

4

Uretero-pelvic junction obstruction

2

4

Total

50

100