PMC4355865_01
Thick slab (2D) MRCP image showing duplicated extrahepatic bile ducts running parallel (arrowheads) and reuniting into a common channel (dotted arrow) at the level of the head of the pancreas consistent with type Va double common bile duct. In addition, a filling-defect suggestive of an obstructive calculus is seen in the common channel just above the ampulla (arrow). The cystic duct is inserting into the right-sided bile duct
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F1
Interestingly, subsequent magnetic resonance cholangiopancreatography (MRCP) revealed duplication of the extrahepatic bile duct [Figure 1].