Fig. 20From: Multimodality imaging review of focal renal lesionsProminent column of Bertin incidentally detected on a 62-year-old male with symptoms of urinary tract obstruction. a Longitudinal greyscale ultrasound image shows hypertrophied cortical tissue in the interpolar region of the right kidney (arrow). b Retrograde pyelogram image shows splaying and narrowing of upper polar/interpolar calyces secondary to the hypertrophied cortical tissue (*). c Axial post contrast corticomedullary phase CT and d MRI images show the enhancement pattern of the prominent column of Bertin is identical to the renal cortex (arrow)Back to article page