Patient with a history of operated perforated appendicitis three months ago.
CT enterocolonography and fistulography
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Following positive contrast administration through the parietal opening at the appendectomy scar: A branching fistulous track is seen extending intra-abdominal to the reach the cecum which is opacified with contrast. Minimal peri-caecal fat stranding.
No current intra-abdominal fluid collections detected.
The patient performed surgery for perforated appendicitis scince three months and since then there is a surgical scar opening with foul smelling discharge. Colocutaneous fistula is a rare complication following appendectomy. It also can occur due to diverticulitis, Crohn's disease or after colonic surgery. It also may coexist with a colovaginal or colovesical fistula.