Presentation
Episodes of epigastric area pain
Patient Data
Age: 3 years
Gender: Female
From the case:
Common bile duct sludge
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Info

There is a well-defined, relatively echogenic structure without posterior acoustic shadowing in the common bile duct. No vascularity is seen.
Case Discussion
The features are very likely of sludge ball in the distal CBD than choledocholithiasis.