Pediatric Ureteral Trauma

Etiology: blunt abdominal trauma
Imaging: spectrum is contusion / laceration / transection with extravasation of contrast, extravasation of urine with urinoma on delayed images

Radiology Cases of Ureteral Trauma

CT of renal trauma / renal laceration and ureteral trauma / ureteral transection and splenic trauma / splenic laceration — Axial and coronal CT with contrast of the abdomen immediate phase (above) shows low density in the superior and inferior poles of the left kidney and fluid in the left perirenal and pararenal spaces. There is also a large area of low density in the spleen. Delayed phase CT images (below) show extravasation of urine out of the ureter into the left pararenal space.