Fig. 15. Choledochoduodenal fistula

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Fig. 15. Choledochoduodenal fistula Fig. 15. Choledochoduodenal fistula.In this patient with jaundice, fistula tract between choledochus and duodenum (white arrow) is depicted on barium studies (A) and magnetic resonance cholangiopancreatography (MRCP) image (B). In barium study, filling of bile ducts with contrast medium through fistula is apparent (black arrows in A). Spontaneous bilioenteric fistulas most commonly occur secondary to gallstones and less often from peptic ulcer, malignancy and trauma. Barium studies are more informative and demonstrate fistula itself or reflux of contrast material into biliary system. MRI is valuable for depicting direct communication between biliary system and duodenum by means of MRCP, and it is also superior to other techniques in demonstrating primary pathology or underlying causes. Fig. 15. Choledochoduodenal fistula.In this patient with jaundice, fistula tract between choledochus and duodenum (white arrow) is depicted on barium studies (A) and magnetic resonance cholangiopancreatography (MRCP) image (B). In barium study, filling of bile ducts with contrast medium through fistula is apparent (black arrows in A). Spontaneous bilioenteric fistulas most . . . Korean J Radiol. 2015 Nov-Dec;16(6):1240-1252. http://dx.doi.org/10.3348/kjr.2015.16.6.1240