Site of stone | Frequency (n) | Percent (%) |
---|---|---|
Inferior calyx | 10 | 13.6 |
Middle calyx | 6 | 8.1 |
Upper calyx | 4 | 5.4 |
Pelvis | 22 | 29.7 |
Partial staghorn | 24 | 32.4 |
Proximal ureter | 4 | 5.4 |
Inferior calyx + middle calyx | 2 | 2.7 |
Inferior calyx + upper calyx | 2 | 2.7 |
Total renal units | 74 | 100.0 |