Figure 2From: Percutaneous transhepatic metallic stent insertion for malignant afferent loop obstruction following pancreaticoduodenectomy: a case report Percutaneous transhepatic biliary drainage for treatment of malignant afferent loop obstruction. (a) A 7 French pigtail catheter was inserted into the afferent loop from the tributary of segment 3. (b) The guide wire was advanced into the proximal aspect of the obstruction, and an 8 French endoprosthesis catheter was inserted.Back to article page