Abstract：Choledochal cysts, now generally termed biliary cysts to include intrahepatic cysts, are a rare lesion with unknown incidence [1]. These cysts more often affect females than males (4:1) [2]. Often associated with the pediatric population of congenital etiology, some series have found adults equally affected [3]. Classification of biliary cysts follows the Todani classification with six groups [4]. This has allowed physicians to consider treatment according to their type. While treatment typically consists of excision with Roux-en-Y reconstruction, data on the subject is limited to case series or single-institution cohorts. Other treatment modalities include sphincterotomy (endoscopic more commonly than open) in the case of type III cysts, and a liver transplant for patients with type V cysts, which were not captured in this study. Without treatment, patients risk poor biliary drainage, leading to hepatic fibrosis, or neoplastic transformation [5]. The low incidence of biliary cysts creates difficulty in their study. A recent multi-institutional study included 135 children and 259 adults, with adult rate of overall complication 35%, readmission rate of 1.4%, and 30-day mortality of 6.9%, which is representative of other studies [6] . Few studies have been done within larger databases to evaluate shortterm clinical outcomes after surgery for biliary cysts. We sought to determine morbidity and mortality in patients undergoing surgical treatment of biliary and choledochal cysts within a nationally recognized database.
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. [J]. Hepatobiliary Pancreat Dis Int, 2021, 20(6): 585-587.
Brungardt JG, King CD, Schropp KP. An NSQIP survey of outcomes after resection of choledochal cysts in adults. Hepatobiliary Pancreat Dis Int, 2021, 20(6): 585-587.
2021, Vol. 20 
