Biliary metal stents are a permanent solution for bile duct stenosis. Complications can arise when the stent migrates, breaks or is overgrown by tumour. The following case demonstrates how a Nd:YAG laser can be used to solve these problems. A 93-year-old man presented with jaundice and fever. Two years earlier a 6-cm metal stent had been implanted into a postinflammatory stenosis of the common bile duct after recurrent cholangitis and repetitive plastic stenting. Duodenoscopy showed that the stent was broken. It had migrated about 3 cm into the duodenum, leading to kinking of the stent and breaking of the wires. The stent was also occluded. It was necessary to purge the common bile duct and to introduce a second stent. However, the only way to reach the papilla was through the broken wires. Placing a second stent this way was impossible. Thus we trimmed the stent with a Nd:YAG laser. The piece that had migrated into the duodenum was retrieved. Now the papilla could be reached. The rest of the metal stent was purged with NaCl 0.9%. A second metal stent was placed. Since an Nd:YAG laser is part of the equipment of most endoscopy units, it can be used to trim a broken or migrated biliary metal stent
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