Histology report
Clinical History: Perforated sigmoid diverticulitis into mesentery
Macroscopic: Sigmoid colon - 220 mm length of large bowel with surface exudate and haemorrhagic mesentery. There is a perforation 180 mm from one end.
Microscopic: Microscopy confirms perforated diverticular disease with active chronic inflammation and extensive peritonitis. There is no dysplasia or evidence of malignancy. Both margins appear viable.
Conclusion: Sigmoid colon - perforated diverticular disease