Low Detection Rates of Bile Duct Stones During Endoscopic Treatment for Highly Suspected Bile Duct Stones with No Imaging Evidence of Stones.

Patients with CBDS visualization on imaging have very high CBDS detection rates during ERCP. However, performing ERCP on patients with only clinical predictors, such as cholangitis and dilated CBD with total bilirubin exceeding 4 mg/dL, often results in unnecessary ERCP.