Endoscopic ultrasound-guided biliary drainage: Bilateral systems drainage via left duct approach

Figure 1 Computed tomography examination. A: Axial; B: Coronal computed tomography images showing an ill-defined mass in the hilar region causing bilateral intrahepatic duct dilation.

Figure 2 Guidewire insertion. A: Echoview demonstrating dilated of left system B: Cholangiogram showing the tapered-tip sphincterotome; C: The guidewire was passed to the right system from the gastric site and an uncovered self-expanding metal stent was deployed.

Figure 3 Dilation. A: Cholangiogram showing deployment of the covered self-expanding metal stent; B: After the guidewire was removed.