Off-label-use of sulfur-hexafluoride in voiding urosonography for diagnosis of vesicoureteral reflux in children: A survey on adverse events

Figure 2 Voiding urosonography of a 6-year-old girl with proven, bilateral vesicoureteral reflux (grade I left and grade III right). The voiding urosonography scan shows the urosonography contrast agent microbubbles in both ureters and in the left renal pelvis (A: Bladder and distal ureters; B: Right kidney and proximal ureter; C: Left kidney).