Infant with febrile urinary tract infection

US and VCUG of vesicoureteral reflux and neurogenic bladder
Sagittal US of the right kidney (above) shows moderate hydronephrosis. AP image from a voiding cystourethrogram (below) shows right-sided vesicoureteral reflux into a dilated collecting system and a trabeculated bladder. The urethra was normal in appearance.

The diagnosis was right Grade III vesicoureteral reflux and a neurogenic bladder.