To identify imaging findings of Bouveret’s Syndrome in order to facilitate early diagnosis, enabling prompt treatment, thereby reducing mortality and morbidity.

Bouveret’s Syndrome was first described in 1770 by Beaussier and named after French physician, Leon Bouveret who published the first case in 1896 [1]. Cholelithiasis is a relatively common health problem. 35% of women and 20% of men develop gallstones by the age of 75 [1]. The prognosis for most is good however, in small group (~6%), complications occur. Rarely, a fistula may develop secondary to adhesions, which form between the gallbladder and bowel wall as a consequence of inflammation, compromised arterial supply and impaired...

The classic imaging finding triad of gallstone ileus is known as Rigler’s triad - intestinal obstruction (partial or complete), pneumobilia and an ectopic gallstone within the stomach or duodenum. As stated previously, the ectopic gallstone is commonly larger than 2.5 cm [3]. In some clinical cases, classic imaging findings are present, while in other cases, the diagnosis should be suspected upon identification of indirect signs of Bouveret’s. Familiarity with the variety of signs may facilitate correct diagnosis, enabling prompt management. CT is diagnostic in approximately...

Bouveret’s syndrome is a rare variant of gallstone ileus. The syndrome is associated a mortality rate of up to 33%. Early and accurate detection using non-invasive means such as CT or MRCP may help reduce associated mortality. Knowledge of Bouveret’s syndrome and the radiological findings will facilitate early diagnosis and prompt management.

Dr. Linh Vo Royal North Shore Hospital, Sydney. Dr. Simon Dimmick Royal North Shore Hospital, Sydney.

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