Clinical Endoscopy

The Korean Society of Gastrointestinal Endoscopy (대한소화기내시경학회)
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A remnant choledochal cyst after choledochal cyst excision treated with a lumen-apposing metal stent: a case report

  • Bo Kyung Kim (Department of Internal Medicine and Liver Research Institute, Seoul National University Hospital, Seoul National University College of Medicine) ;
  • Jung Won Chun (Department of Internal Medicine and Liver Research Institute, Seoul National University Hospital, Seoul National University College of Medicine) ;
  • Sang Hyub Lee (Department of Internal Medicine and Liver Research Institute, Seoul National University Hospital, Seoul National University College of Medicine) ;
  • Ji Kon Ryu (Department of Internal Medicine and Liver Research Institute, Seoul National University Hospital, Seoul National University College of Medicine) ;
  • Yong-Tae Kim (Department of Internal Medicine and Liver Research Institute, Seoul National University Hospital, Seoul National University College of Medicine) ;
  • Woo Hyun Paik (.Department of Internal Medicine and Liver Research Institute, Seoul National University Hospital, Seoul National University College of Medicine)
  • Received : 2019.09.09
  • Accepted : 2019.11.09
  • Published : 2022.07.30
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Abstract

A lumen-apposing metal stent (LAMS) is a saddle-shaped stent with large flanges at both ends, thereby preventing stent migration and helping with approximation of the adjacent structures. We report the case of a 25-year-old female with remnant choledochal cyst which was successfully treated with LAMS after initial treatment failure with a plastic stent. Although complete excision of the cyst is the definite treatment of choledochal cysts, endoscopic ultrasonography-guided cystoduodenostomy can be considered in cases wherein surgery is not feasible and dysplasia is not present. LAMS may be preferred to plastic stents for effective resolution of remnant choledochal cyst and prevention of ascending infection.

Keywords

Acknowledgement

The patient provided informed consent and agreed to publication of the images.

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