Biliary Stent Obstruction Leading to Bronchobiliary Fistula: A Rare Case Report

Bronchobiliary fistula (BBF) is a rare complication encountered by surgeons, most commonly during the follow-up of surgically managed patients with inflammatory, traumatic, or neoplastic pathologies involving the hepatobiliary tree. We present an operated case of liver hydatidosis with biliary stent obstruction with complaints of bitter green colored sputum and upper abdominal pain. The patient underwent an ERCP-guided stent extraction with reinsertion of a common bile duct stent with complete removal after six weeks. Post operatively, the patient is doing well on follow-up. This complication could be prevented by regular follow-up and timely removal of the placed stents, as a prolonged stay of stent insitu could lead to blockage, leading to complications such as bronchobiliary fistula. Thus, it is concluded that judicious follow-up plays a pivotal role, and timely removal of the stents could prevent such avoidable delayed complications.