Definition: an abnormal communication between gallbladder and duodenum, often secondary to severe cholecystitis with perforation and abscess formation; when stones are present in the gallbladder they may erode through the adjacent duodenal wall; if large stones pass into the duodenum, they may cause gallstone ileus.
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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.