Perforated Colorectal Cancer: An Important Differential Diagnosis in All Presumed Diverticular Abscesses

Current diagnosis and management of acute colonic diverticulitis: What you need to know

“…A systematic review evaluated the rate of colorectal cancer diagnosis after an episode of acute uncomplicated diverticulitis. The rate of colonoscopy after acute uncomplicated diverticulitis was 59%, and the prevalence of colorectal cancer in this population was 1.16% (95% confidence interval, 0.72–1.9%) 69 The authors concluded that routine colonoscopy is not required after acute uncomplicated diverticulitis; however, for cases of complicated diverticulitis, occult colonic malignancy should always be ruled out with follow-up colonoscopy 70,71 . A systematic review and meta-analysis with more than 50,000 patients evaluated the prevalence of colorectal cancer among all patients with diverticulitis.…”

“…The rate of colonoscopy after acute uncomplicated diverticulitis was 59%, and the prevalence of colorectal cancer in this population was 1.16% (95% confidence interval, 0.72-1.9%) 69 The authors concluded that routine colonoscopy is not required after acute uncomplicated diverticulitis; however, for cases of complicated diverticulitis, occult colonic malignancy should always be ruled out with follow-up colonoscopy. 70,71 A systematic review and meta-analysis with more than 50,000 patients evaluated the prevalence of colorectal cancer among all patients with diverticulitis. Among all patients, prevalence of colorectal cancer was 1.9%; when stratified by uncomplicated and complicated cases, prevalence of colorectal cancer was 1.3% and 7.9%, respectively.…”