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Unusual case of cholecystocolonic fistula secondary to megabowel
  1. Fahad Mahmood1,
  2. Oluwasola Ajayi2,
  3. Marriam Ahmed1 and
  4. Akinfemi Ayobami Akingboye1
  1. 1General Surgery, Dudley Group NHS Foundation Trust, Dudley, UK
  2. 2Radiology, Dudley Group NHS Foundation Trust, Dudley, UK
  1. Correspondence to Akinfemi Ayobami Akingboye; a.akingboye{at}


Cholecystocolonic fistula with associated idiopathic megabowel (megacolon and megarectum) is a rare presentation as acute large bowel obstruction. Frequently presenting with chronic constipation, acute bowel obstruction is rarely encountered in the presence of concomitant cholecystocolonic fistula. This presents diagnostic and management difficulties with no consensus on appropriate surgical approach. This case highlights the outcomes following emergency total colectomy and subtotal cholecystectomy as a single-stage procedure for a 68-year-old man presenting with cholecystocolonic fistula secondary to idiopathic megabowel as acute large bowel obstruction.

  • surgery
  • general surgery

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  • Contributors FM drafted the manuscript, obtained consent and reviewed the notes. OA reviewed and advised on radiological imaging as well as proof read manuscript. MA helped revise the manuscript and proofreading. AAA managed the patient involved, originated the idea for the case report, proof-read manuscript.

  • 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 for publication Obtained.

  • Provenance and peer review Not commissioned; externally peer reviewed.