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Laparoscopic Common Bile Duct Exploration Followed by Primary Suture Using a Modified Bile Duct Incision
Published on: May 2, 2025
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Suspected common bile duct stones: Which test is best?
Andrew Varone1, April Mendoza2,3, Rondi Gelbard2,4
1Department of Surgery, Ohio State Wexner Medical Center, 395 W 12th Ave, Columbus, OH, 43210, USA. andrew.varone@osumc.edu.
Surgical Endoscopy
|August 13, 2025
Summary
For patients with intermediate-risk common bile duct stones, Magnetic Resonance Cholangiopancreatography (MRCP) has lower sensitivity and specificity than Endoscopic Ultrasound (EUS) and Intra-operative Cholangiogram (IOC). EUS or IOC are preferred for diagnosis in this group.
Area of Science:
- Gastroenterology
- Surgical Diagnostics
- Medical Imaging
Background:
- The American Society for Gastrointestinal Endoscopy (ASGE) provides guidelines for common bile duct (CBD) stone management, stratifying patients into risk groups to guide interventions.
- While management for low- and high-risk patients is established, the optimal approach for intermediate-risk patients remains variable.
- This study evaluates diagnostic modalities for intermediate-risk CBD stones.
Purpose of the Study:
- To characterize the utilization of MRCP, IOC, and EUS in patients stratified as intermediate-risk for CBD stones.
- To compare the diagnostic performance of MRCP, IOC, and EUS in identifying choledocholithiasis in this patient cohort.
Main Methods:
- Retrospective analysis of the EAST Retained Common Bile Duct stone database (2016-2019).
- Included patients admitted to 12 US medical centers with suspected CBD stones or acute biliary pancreatitis.
- Calculated sensitivity, specificity, and predictive values for MRCP, EUS, and IOC based on definitive CBD stone identification.
Main Results:
- Out of 736 patients, 521 met ASGE intermediate-risk criteria.
- Pre-operative MRCP was used in 39.9%, EUS in 8.4%, and IOC in 45.7% of these patients.
- MRCP demonstrated lower sensitivity and specificity compared to EUS and IOC.
Conclusions:
- MRCP has a limited role in managing ASGE intermediate-risk patients due to suboptimal diagnostic accuracy.
- Endoscopic Ultrasound (EUS) and Intra-operative Cholangiogram (IOC) are the preferred diagnostic tools for clarifying choledocholithiasis in this patient group.
- Choosing between EUS and IOC depends on availability and clinical context for optimal patient management.
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