Is Bouveret's syndrome really a rare clinical entity?

A case of a 77year-old female patient is presented who was admitted due to persistent vomiting. Gastric outlet obstruction was seen on gastroscopy caused by an impacted foreign body resulting in large amount of congested gastric content. Second look endoscopy revealed an impacted gallstone in the first portion of duodenum. The stone could be captured in a lithotriptor Dormia basket, crushed into two parts and removed from the duodenum back to the stomach. The cholecystoduodenal fistula became then visible. Because of its big size the stone couldn't be safely removed through the oesophagus. The patient's obstruct…