Presentation
Abdominal pain.
Patient Data
Age: 50 years
From the case:
Gallstone ileus
Axial non-contrast

Percutaneous gastrostomy tube. Pneumobilia. Dilated distal and mid small bowel in keeping with small bowel obstruction. Gallstone demonstrated in the left iliac fossa.
Case Discussion
This case demonstrates Rigler triad of gallstone ileus:
- small bowel obstruction
- pneumobilia
- ectopic gallstone