Gallstone ileus

Case contributed by Dr Hadi Zolfeghari

Presentation

Intermittent symptoms of nausea, vomiting, and abdominal distension

Patient Data

Age: 75
Gender: Male
CT

CT scan demonstrates the Rigler triad

  • small bowel obstruction
  • gas in biliary tree
  • large ectopic gallstone

Other findings include collapsed gallbladder and gas in the gallbladder. Oral contrast is also seen in the gallbladder.

Photo

The gallstone can be seen in this intraoperative picture. The distended afferent bowel loop proximal to the obstruction is noted.

 

Case Discussion

Gallstone ileus is a rare cause of bowel obstruction. Having a systemic approach and clinical suspicion is important in diagnosis. Gallstone ileus is more common in women since gallstones are more common in women. The stone fistulizes into the duodenum and the site of obstruction is often at the terminal ileum since it is the narrowest portion of the small bowel.

Plain radiography would show a small bowel obstruction and sometimes gas in biliary tree and gallbladder. If radiopaque, the stone may be seen as well. The same findings are present on CT, but the ectopic gallstone is easier to see.

 

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Case information

rID: 54061
Case created: 20th Jun 2017
Last edited: 9th Jul 2017
Inclusion in quiz mode: Included

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