Biliary coil migration

A 60yearold woman had undergone liver transplantation because of endstage primary biliary cholangitis. Posttransplantation, she developed haemobilia due to a pseudoaneurysm of the hepatic artery treated by coil embolisation (3 coil Helix ev3, 12–30, 10–30 and 4–8) (figure 1). Thereafter, she had recurrent episodes of cholangitis found to be due to stones in the biliary tract. Iterative endoscopic retrograde cholangiography was done every 4–6 months with evacuation of biliary stones and placement of plastic stents. During the last cholangiography, 2 years after the embolisation, and after evacuation of 2 stones by balloon sweeping, a guidewirelike metallic structure emerged from the papilla into the duodenum (figure 2) and it was also seen on cholangiography in the common bile duct (figure 3). A complete extraction of the metallic structure (figure 4) was done by using a biopsy forceps and