Summary of Clinical and Imaging Features of Nine Cases of MPBTs.

IJ: Intermittent jaundice; AC: Abdomal discomfort; CE: cholecystectomy; BDE: bile duct exploration; LLH: left lateral hepatectomy; MRCP Findings: On T2 phase, showing signs of stratification between mucus and bilirubin; Without significantly increased gallbladder; No suddenly cut-off performance of bile duct; Asymmetry of bile duct dilatation; Mass performance within bile duct contrasted to bilirubin.