Fig. 17

Colo-cholecystic fistula with subsequent cholecystitis in a 65-year-old female patient presented with right hypochondrial pain and fever with history of gall bladder biopsy. Post contrast axial CT reformatted image (a) and sagittal reformatted image (b) showing irregular outline of gall bladder (red arrowheads) with multiple intra-luminal air foci (white arrows), its fundus tethered to hepatic flexure (yellow circle) with related mild fat stranding (green arrow)