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Aetiology

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The most common cause of an internal biliary fistula is gallstone disease, accounting for 90% of cases. Peptic ulcers are the second most common factor, accounting for 5% of cases.

Less common causes include:

  • duodenal ulcers: those on the posterior duodenal wall invading the common duct; those on the anterior and lateral wall invade the gallbladder
  • gastric ulcers: erode into the gallbladder
  • various tumours including those of the: - stomach - pancreas - common duct

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The content herein is provided for informational purposes and does not replace the need to apply professional clinical judgement when diagnosing or treating any medical condition. A licensed medical practitioner should be consulted for diagnosis and treatment of any and all medical conditions.

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