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An 81-year-old woman presented following 2 days of upper abdominal pain, vomiting and absolute constipation. Her abdomen was distended and there was tenderness in the epigastrium. She was known to have gallstones, however had not had any previous abdominal surgery.
A computerised tomography (CT) scan of the abdomen and pelvis showed dilated small bowel loops with an impacted gallstone in the distal ileum (figure 1) with collapsed bowel distal to this point. A cholecystoduodenal fistula was also noted, in addition to a thickened and inflamed gallbladder.
She had a laparotomy the following day. No obstructing intraluminal mass was identified intraoperatively and no enterotomy was performed. Postoperatively, her clinical picture improved with conservative management, however the patient did report a fullness in her rectum.
A repeat CT scan 10 days after her laparotomy showed two large obstructing stones in the rectum (figure 2), both having spontaneously passed through the ileocaecal valve. Despite regular laxatives and repeated enemas, only one of the gallstones passed spontaneously. She remained symptomatic and had an examination under anaesthesia of the rectum and flexible sigmoidoscopy 23 days into her admission. A gallstone measuring 4 cm was successfully extracted from the rectum.
Gallstone ileus is a rare complication of cholecystitis, and a conservative approach may be a suitable initial management option in certain cases, even with large obstructing stones.
For symptomatic gallstones that have passed spontaneously into the colon, endoscopic retrieval may provide an alternative less-invasive retrieval option.
Contributors MB co-wrote and reviewed the article, and obtained the images. RG and ZJH co-wrote the article. NA reviewed the article.
Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.
Competing interests None declared.
Patient consent Obtained.
Provenance and peer review Not commissioned; externally peer reviewed.
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