MRCP can clear and definite the reasons of PCS.Conclusion MRCP is a noninvasive and effective method for diagnosis and differential diagnosis of PCS.

• 结论MRCP对PCS病人胆胰管相关病因的诊断和鉴别诊断有重要价值,它不仅为临床提供了丰富的形态学信息,还能指导临床进一步治疗。