Fig. 2From: Surgical management of pyelo-ureteral junction syndrome in a resource-limited setting: case of Zinder National Hospital, Nigera Intravenous urography: Left pyelic dilation in ball with convex lower edge and non-opacified subpyretic ureter. b Injected abdominal CT scan in axial section showing pyelic dilatation (yellow arrow) compressed in front by a lower polar renal vein (orange arrow)Back to article page