Rolling in the Deep: Imaging Findings and Diagnostic Pearls in Gallstone Ileus

Figure 11

Contrast-enhanced computed tomography, 5-mm thickness multiplanar reconstruction, portal phase, demonstrates in (a) both pneumobilia (arrowheads) and opacification of the right lobe biliary branches (arrow) after oral contrast media administration; the fistula (arrow) between the gallbladder filled with contrast material (white arrowhead) and the duodenum (black arrowhead) is delineated in the coronal plane reconstruction shown in (b).

(a)

(b)