History: 16 year old female with recurrent flank pain.
Prone image from an intravenous pyelogram 25 minutes after iodine contrast injection. Identify the salient abnormality.
Coronal CT of the abdomen and pelvis with intravenous contrast. Identify the salient abnormality.
What is your diagnosis for this pediatric patient with recurrent flank pain? Comment below. Share and pin this case by clicking on the icons below!