Mohsen Rajabnia - Liver & Digestive Research Center, Kurdistan University of Medical Sciences, Sanandaj, Iran
Mahsa Mohammadi - Student Research Committee, Kurdistan University of Medical Sciences, Sanandaj, Iran
Danial Dehbandi - Department of Radiology, Faculty of Medicine, Mazandaran University of Medical Sciences, Sari, Iran Correspondence:

Gallstone ileus is a rare cause of mechanical small bowel obstruction due to gallstone impaction within the lumen of the small intestine after passing through biliary enteric fistula. We report a case of gallstone ileus that was diagnosed with Rigler s triad (small bowel obstruction, ectopic gallstone, pneumobilia) in abdominal contrast-enhanced CT scan that is less than 30% of the patients.Key words: Gall stone, Ileus, small bowel obstruction, pneumobilia, Rigler s triad.

Gall stone, Ileus, small bowel obstruction, pneumobilia, Rigler s tria