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Table 1: Criteria for choledocholithiasis according to ASGE. |
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Predictors |
Definition |
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Very strong |
Choledocholithiasis on ultrasound |
|
Cholangitis clinic (Tokyo 18) |
|
|
Bilirubin > 4 mg/dl |
|
|
Strong |
Common bile duct > 6 mm by ultrasound (with gallbladder in situ) |
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Bilirubin 1.8 to 4 mg/dl |
|
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Moderate |
Alteration of liver biochemistry |
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Age > 55 years old |
|
|
Diagnosis of acute biliary pancreatitis |
|
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High-risk |
Presence of one very strong predictor or two strong predictors |
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Medium risk |
Presence of a strong and/or moderate predictor |
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Low risk |
No presence of any predictor |
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ASGE = American Society for Gastrointestinal Endoscopy. |
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