Curbside Consultation in Endoscopy: 49 Clinical Questions, Second Edition

Joseph Leung, MD; Simon Lo, MD

Question 29: How Can We Accurately Determine The Appropriate Length Of The Stent To Use In A Patient With A Bile Duct Stricture? (continued)

Erina Foster, MD; Joseph Leung, MD, FRCP, FACP, FASGE, MACG

The length of a plastic stent refers to the shaft of the stent that traverses a bile duct stricture and is often indicated by the separation between the proximal and distal side flaps. The flaps are used to resist stent migration. For pigtail stent design, the length is defined as the separation between the pigtails. When stents were first invented, they were used mainly in patients with malignant bile duct obstruction. Indications for biliary stenting have now expanded to include benign strictures and large bile duct stones. In the management of a bile duct stricture, it is generally…