Gallstone Ileus with associated perforated small bowel diverticulitis

Abstract

Gallstone ileus is a rare complication of cholelithiasis and a type of mechanical obstruction involving impaction of a gallstone within the intestinal tract [1,2]. This entity occurs in 0.15% 1.5% of cholelithiasis cases and < 0.1% of ileus cases overall [1]. Gallstone ileus is more common in the elderly and up to 80% 90% of affected patients have medical comorbidities [2]. The ratio of occurrence in females to males is 3.5:1 [3].