PMC6386645_01
Abdominal computed tomography scan with contrast injection. (
A
) Axial view, dorsal decubitus position: abdominal situs inversus. (
B
) Axial view, lateral decubitus position: proximal dilated ureter with retrocaval path. (
C
) 3D reconstruction: "hook-fish" sign. VCI, vena cava inferior.
10-1055-s-0039-1678567-i180417cr-1.jpg
PMC6386645_01_10-1055-s-0039-1678567-i180417cr-1.jpg
FI180417cr-1
The anteroposterior renal pelvis diameter (APD) was 20 mm and the proximal ureter had a diameter of 18 mm; parenchymal index was normal ( Fig. 1 ). 
Intraoperative images. (
A
) Retrocaval disposition of the left ureter. (
B
,
C
) Transection and spatulation of the distal ureter. (
D
) Intraoperative placement of a J-J ureteral stent. (
E
) Final aspect of the anastomosis. VCI, vena cava inferior.
10-1055-s-0039-1678567-i180417cr-2.jpg
PMC6386645_01_10-1055-s-0039-1678567-i180417cr-2.jpg
FI180417cr-2
After spatulation of the distal ureter and antegrade placement double-J ureteral stent (Charriere 4.7) we performed a ureteroureterostomy over a using a 5-0 monofilament, resorbable suture ( Fig. 2 ).