A Rare Presentation of Xanthogranulomatous Cholecystitis as Bouveret’s Syndrome
(a) On nonenhanced axial CT image, air in the biliary tree of the left lobe is illustrated. A nasogastric tube within dilated stomach is noted as well. (b) On post-contrast portal venous phase, axial CT image, a collapsed GB (short arrows) having irregularly thickened, heterogeneously hypoechoic, and slightly enhancing wall accompanied with pericholecystic stranding (long arrow) and the dilatation of first and second portions of duodenum (dotted arrow) are illustrated. (c) On post-contrast portal venous phase axial CT image, irregularly thickened and heterogenous GB wall (short arrow) is imperceptible from the medial duodenal wall (arrowhead) and at this area, two air bubbles are identified (long arrows) indicating a cholecystoduodenal fistula.