Fig. 20From: Imaging of non-neoplastic duodenal diseases. A pictorial review with emphasis on MDCTRight upper quadrant pain and gallstone ileus in a 39-year-old woman. Axial contrast-enhanced CT (a and b) shows air in the bile duct (arrow in a), a thick-walled gallbladder, and a fistula to the duodenum (arrow in b). Reformatted coronal contrast-enhanced CT image demonstrates two gallstones (arrows) within the proximal ileum with proximal jejunal dilationBack to article page