[Duodenal obstruction by biliary lithiasis (Bouveret's syndrome)].

The case of an 81-year-old woman admitted for abdominal pain, nausea and vomiting diagnosed with Bouveret syndrome is presented. This rare disease, consisting in obstruction of gastric emptying by gallstones located in the pylorus or the duodenal bulb predominates in elderly women and represents 2% of the cases of biliary ileum. Diagnosis is based on the clinical manifestations, the existence of aerobilia, visualization of lithiasis by radiography, echography or fiber gastroscopy and the demonstration of duodenal obstruction. The treatment of choice is surgery consisting in gastrotomy or enterotomy and extraction of the stone. The importance of diagnosis and early treatment is emphasized to improve prognosis.