Figure 1

Figure 1 : 

Abdominal CT scan with iodinated contrast injection (portal phase) in axial sections (A,B,C) and oblique coronal reconstructions (D,E) showing a very distended gallbladder in an abnormally low horizontal position associated with an effusion around the gallbladder and defective wall uptake (head of white arrow) together with torsion of the cystic pedicle due to the volvulus (black arrow).