Endoscopic ultrasound-guided choledochoduodenostomies with fully covered self-expandable metallic stents

Figure 2 Endoscopic re-intervention for the distal migration of a fully covered self-expandable metallic stent. A: Endoscopic view showing the patent opening of a fistulous tract between the extrahepatic bile duct and duodenum; B: A fluoroscopic image demonstrated the distal stent migration; C: A guidewire was simply inserted through the existing choledochoduodenal fistula; D: Insertion of a new fully covered self-expandable metallic stent through a mature fistula with a large diameter.