Unlocking the enigma: Combined percutaneous-transhepatic and endoscopic strategies for retrieval of severed Dormia basket in choledocholithiasis. A case report and literature review.

Choledocholithiasis, characterized by the presence of stones in the common bile duct, poses significant challenges in clinical management, particularly when the stones are massive. While endoscopic methods are often effective in stone removal, complications such as the impaction of foreign bodies like Dormia baskets can occur. These complications may necessitate alternative approaches, including surgical intervention, highlighting the importance of exploring innovative interventional techniques. We report on an 89-year-old patient presenting with massive choledocholithiasis, involving complete filling of the intra- and extrahepatic bile duct system with large stones up to a maximum of 2 cm. The patient underwent interventional removal of a Dormia basket (3.5Fr. Boston Scientific, USA) impacted in the common bile duct. This procedure proved challenging due to the metallic end marker of the basket perforating through the wall of the distal common bile duct, rendering it fixed. Given the complexity of the case, a parallel approach combining percutaneous transhepatic cholangiography and drainage with simultaneous endoscopy was employed to successfully extract the fixed Dormia basket. In cases of severe choledocholithiasis complicated by the impaction of foreign bodies such as Dormia baskets, innovative interventional strategies are crucial for successful management. Our case highlights the effectiveness of a parallel approach involving percutaneous transhepatic cholangiography and drainage alongside simultaneous endoscopy in safely removing the fixed foreign body from the common bile duct. This multidisciplinary approach not only offers a viable alternative to surgical intervention but also underscores the importance of collaboration between interventional radiologists and endoscopists in optimizing patient outcomes in complex biliary interventions.

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© 2024 The Authors. Published by Elsevier Inc. on behalf of University of Washington.