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Computed tomography (CT) scan showing dilated common bile duct (CBD) and biloma in the gallbladder bed.
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A computed tomography (CT) scan confirmed the findings and a cystic tumor mass was suspected in the duodenum at the level of the ampulla of Vater ( Fig. 1 , Fig. 2 ). A double lumen was seen in the second portion of the duodenum, corresponding to a large saccular structure surrounded on both sides by normal mucosa ( Fig. 4 , Video 1 ).
Magnetic resonance cholangiopancreatography (MRCP) demonstrating the biloma and a small stone in the common bile duct (CBD).
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Magnetic resonance cholangiopancreatography (MRCP) showed a small (5 mm) stone in the CBD ( Fig. 3 ).
Double lumen in the second portion of the duodenum.
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A double lumen was seen in the second portion of the duodenum, corresponding to a large saccular structure surrounded on both sides by normal mucosa ( Fig. 4 , Video 1 ).
Papillary orifice.
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The papillary orifice was difficult to find at the level of the septum ( Fig. 5 ).