Successful Multimodality Endoscopic Treatment of Gastric Outlet Obstruction Caused by an Impacted Gallstone (Bouveret's Syndrome)
Figure 2
(a) large gallstone in the duodenal bulb, obstructing the pylorus. (b) Attempts to extract the stone failed with multiple instruments, including biliary and CRE balloons (). The orifice of the choledochoduodenal fistula (arrow) can be seen.