结论ERCP可以清晰显示肝外胆管及胆囊管的形态及变异情况，对于胆囊手术术前了解肝外胆道系统形态及变异有重要价值。
Conclusions ERCP can clearly show out the conformation and variation of extrahepatic bile duct and cystic duct and it is of important value before gallbladder operation.
方法80例胰胆管系统疾病患者均行MRI及MRCP检查，其中32例患者有ERCP结果相对照，48例患者接受手术治疗并均有病理结果。
Methods 80 cases were examined on a MRI scanner and the MRCP were obtained. Among them the ERCP were excepted in 32 cases. The other 48 cases had been operated and compared with MRI MRCP.
方法80例胰胆管系统疾病患者均行MRI及MRCP检查，其中32例患者有ERCP结果相对照，48例患者接受手术治疗并均有病理结果。
Methods 80 cases were examined on a MRI scanner and the MRCP were obtained. Among them the ERCP were excepted in 32 cases. The other 48 cases had been operated and compared with MRI MRCP.
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