Fig. 4

Postoperative ECF with subcutaneous abscess formation in a 71-year-old woman, following resection of sigmoid colon diverticulitis, complicated by anastomotic dehiscence which required re-laparotomy, ileal resection, and temporary ileostomy. CT diagnosed communication (arrows) between the cecum and an abscess (*) located just superficially to the ventral abdominal muscles, draining to the EFO (arrowhead in A). Surgical treatment included ileocecal resection and abscess toilette