Imaging in renal trauma

Figure 8 Grade V injury. Ureteropelvic junction injury (revised stage Grade IV). Contrast enhanced computed tomography images of a 30-year-old female patient who sustained blunt abdominal trauma. A: Axial section showing deep laceration in posteromedial cortex of left kidney involving the hilum with perinephric and perihilar hematoma; B: Excretory phase axial section showing leak of opacified urine from the pelviureteric junction which tracks along the medial aspect of kidney; C: Axial maximum intensity projection (MIP); D: Coronal MIP image showing the extravasated opacified urine from the renal pelvis and tracking in the retroperitoneum along the course of ureter.