Parameters Suggesting Spontaneous Passage of Stones from Common Bile Duct: A Retrospective Study

Abstract Background: Common bile duct (CBD) stones are common. However, they are known to pass spontaneously, which obviates the need for ERCP. Aim: The aim of this study is to identify specific predictors for spontaneous passage of CBD stones. Methods: Data was retrospectively collected for all patients who were hospitalized with clinical, laboratory, or ultrasonographic evidence of choledocholithiasis and who underwent magnetic resonance cholangiopancreatography (MRCP) in Hadassah Medical Center between 2005 and 2011. The patients were classified into 4 groups: