Choledocholithiasis: Should EUS replace MRCP in patients at intermediate risk?

Choledocholithiasis is a common adverse event of gallstones, occurring in 10% to 20% of patients undergoing cholecystectomy.1 Although ERCP is considered the criterion standard for diagnosis and management of choledocholithiasis, the diagnostic role of this modality is limited by its invasive nature and risk for adverse events such as post-ERCP pancreatitis (PEP).2 Pancreatitis is the most common adverse event of ERCP and is estimated to be responsible for 150 million dollars of health care expenditures annually in the United States.

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