colonic fistula

Spontaneous

cutaneous fistulisation of colon carcinoma. Axial (d) and sagittal (e) images confirmed solid neoplastic thickening of the ascending colon (arrows), infiltrating the peritoneum (arrowhead) and indissociable from the thickened oedematous (*) abdominal wall musculature containing an abscess cavity (+).

Spontaneous

cutaneous fistulisation of colon carcinoma. The circumferential neoplastic thickening of the ascending colon (arrows) infiltrated the peritoneum (arrowhead) and was indissociable from the thickened abdominal wall musculature, which contained an abscess (+) communicating with a cutaneous fistula (thin arrow).