Fig. 1

Abdomino-pelvic CT scan images. a Axial image showing a 6x4cm non stenotic mass (red star) adjacent to the distal sigmoid in a diverticular segment (thin red arrow). The transplanted kidney is partially seen in the right lower quadrant (thick red arrow). b and c Axial and coronal images showing small bubbles of extra-luminal air trapped in the mesosigmoid mass (red arrows). Incidentally, a partially calcified renal lesion is seen in the left native kidney (red star). d and e Axial and coronal images showing a second non stenotic mesocolic mass adjacent to the descending colon