Why is choledocholithiasis more prevalent outside the US?

Updated: Apr 01, 2019
  • Author: Douglas M Heuman, MD, FACP, FACG, AGAF; Chief Editor: BS Anand, MD  more...
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The prevalence of choledocholithiasis is higher internationally than in the United States, mainly because of the additional risk of primary common bile duct stones caused by parasitic infestation with liver flukes such as Clonorchis sinensis.

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