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| A rare type of choledochal cysts of Todani type IV-B with typical pancreaticobiliary maljunction |
| Xu-Ting Zhi # , Bing-Ran Yu # , Zhi-Qiang Chen ∗ |
Department of Hepatobiliary Surgery, General Surgery, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan 250012, China
∗ Correspondence author.
E-mail address: chenzhq1982@sdu.edu.cn (Z.-Q. Chen).
# Contributed equally. |
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Abstract Choledochal cysts (CCs), first described by Vater and Ezler in 1723, are rare congenital cystic dilations of biliary tract [1]. The most widely adopted classification system from Todani et al. divides CCs into five major types and several subtypes [2]. Almost all of the CCs are type I and type IV-A, while type IV-B is extremely rare [3,4]. The accurate diagnosis and precise categorization of CCs are crucial for surgeons to perform proper operative strategy. Here, we report a typical CCs of Todani type IV-B with a typical scenario of pancreaticobiliary maljunction (PBM) in a 50-year-old male, and proper surgical treatment was conducted with uneventful recovery.
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2021, Vol. 20 
