EDITOR, - J M Smellie and colleagues concluded that it is essential to identify vesicoureteric reflux early by cystography in infants with antenatal dilatation of the urinary tract, infants and young children after a first urinary tract infection, and siblings and offspring of patients with renal scarring.1 They reiterated that ultrasonographic imaging is inadequate to exclude renal scarring. A paper from Gothenburg confirms that even experienced radiologists frequently fail to find renal scars.2

In general radiological practice plain radiography …