School ager with left flank pain Pediatric Imaging Genitourinary August 3, 2023June 15, 2023 Sagittal US of the left kidney (above) and left ureterovesical junction (below) show moderate hydroureteronephrosis. There was no evidence of a urinary tract stone. A subsequent voiding cystourethrogram showed no evidence of vesicoureteral reflux. The diagnosis was congenital megaureter. Related Published August 3, 2023June 15, 2023
