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We describe the case of an 81-year-old woman with large bowel-obstruction caused by an impacted gallstone. An 81-year-old, Caucasian, fully independent woman without significant comorbidities presented with absolute constipation, faecal vomiting and abdominal pain. Abdominal radiography revealed dilated small bowel, and a subsequent contrast CT demonstrated a 2.5 cm gallstone in the sigmoid colon. This is believed to have entered the transverse colon via a cholecyst-colonic fistula, and then migrated to a section of sigmoid colon affected by diverticular disease, where it became impacted. Two sigmoidoscopic removals were attempted but were unsuccessful as the gallstone's size prevented removal with an endoscopic basket. A laparotomy was performed and the stone extracted via a sigmoid enterotomy. No covering stoma was formed, and following 48 h on intensive trauma unit and a short ward-based stay for rehabilitation, the patient was discharged home and is currently doing well.

Original publication




Journal article


BMJ Case Rep

Publication Date





Aged, 80 and over, Colon, Transverse, Colonic Diseases, Digestive System Surgical Procedures, Female, Gallstones, Humans, Intestinal Obstruction, Tomography, X-Ray Computed