Ureter | Ventral aspect of horseshoe kidney: 11 cases; not available: 12 cases |
Gonadal artery and vein | Ventral aspect of horseshoe kidney: 7 cases; not available: 16 cases |
Lumbar splanchnic and superior hypogastric nerves | Ventral aspect of horseshoe kidney: 6 cases; dorsal aspect of horseshoe kidney: 1 case; not available: 16 cases |
Extra renal artery | From the aorta: 10 cases; from the iliac artery: 7 cases; existing (details unknown): 3 cases; not existing: 3 cases; not available: 4 cases. (There is some overlap) |