Site of the stones

Number

Percentage (%)

Renal (pyelic)

8

27

Renal (upper calyceal group)

4

13

Renal (middle calyceal group)

5

17

Renal (lower calyceal group)

2

7

Ectopic kidney

1

3

Lumbar ureter

4

13

Iliac ureter

2

7

Pelvic ureter

4

13

Total

30

100