Diagnostic and treatment strategy in complicated colon diverticulitis

Acute diverticulitis is a disease with a wide clinical spectrum, ranging from a phlegmon (stage I a) to localized abscesses (stages I b and II), to free perforation with purulent (stage III) or feculent (stage IV) peritonitis. The planned therapy of colonic diverticulitis is very difficult because preoperative diagnosis is uncommon and the method of treatment is usually decided at the time of laparotomy. While there is a little debate about the best treatment for mild episodes, uncertainty persists about the optimal management for severe episodes and complicated diverticulitis