Fig. 3From: Insidious intraoperative ureteral injury as a complication in oblique lumbar interbody fusion surgery: a case report a Delayed-phase enhanced abdominal computed tomography scan at the L4/L5 level shows fluid collection in the left abdominal cavity extending from the left peritoneal space to the posterior iliopsoas region (arrowheads). b Left retrograde urography shows extravasation of contrast medium at the L4/5 levelBack to article page