Cholecystoduodenal fistula

Last revised by Mina Sameh Rizk on 10 Dec 2023

A cholecystoduodenal fistula is a fistulous connection between the gallbladder and the duodenum. It is considered the most common type of enterobiliary fistulation.

Can vary but some can present with Bouveret syndrome 3 or a gallstone ileus.

This most commonly develops as a complication of gallstones, and can occur due to iatrogenic causes or due to the presence of a tumor 7

CT is considered more accurate than ultrasound 2 and allows direct visualization of a tract between the gallbladder and the duodenum. Pneumobilia may be present as a result 6.

According to several papers, laparoscopic cholecystectomy is often successfully performed in these cases 4,5.

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