Etiology

Common sources for fistula formation include laparotomy for infected pancreatic necrosis, left colonic resections, intestinal resection for gangrene, closure of co-lonic perforation, adhesiolysis, hysterectomy and ovariectomy. Colonic injuries were also discerned following laparoscopic pelvic surgery. Cautery burns to colon occur despite attention to detail with grazing burns progressing to an area of ischemia and perforation. Recently, colonic fistula have been reported following percutaneous

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