Is there need for routine CT colonography after CT-verified uncomplicated diverticulitis of the sigmoid colon?

Papa, 2016, The economic burden of diverticular disease, J. Clin. Gastroenterol., 50, S2, 10.1097/MCG.0000000000000598 Jacobs, 2007, Diverticulitis, N. Engl. J. Med., 357, 2057, 10.1056/NEJMcp073228 Sai, 2012, Colonoscopy after CT diagnosis of diverticulitis to exclude colon cancer: a systematic literature review, Radiology, 263, 383, 10.1148/radiol.12111869 Stefansson, 1993, Increased risk of left sided colon cancer in patients with diverticular disease, Gut, 34, 499, 10.1136/gut.34.4.499 Stefansson, 2004, Association between sigmoid diverticulitis and left-sided colon cancer: a nested, population-based, case control study, Scand. J. Gastroenterol., 39, 743, 10.1080/00365520410003272 Mortensen, 2017, An 18-Year nationwide cohort study on the association between diverticulitis and colon cancer, Ann. Surg., 265, 954, 10.1097/SLA.0000000000001794 Young-Fadok, 2018, Diverticulitis, N. Engl. J. Med., 379, 1635, 10.1056/NEJMcp1800468 Andersen, 2012, Danish national guidelines for treatment of diverticular disease, Dan. Med. J., 59, C4453 Ferzoco, 1998, Acute diverticulitis, N. Engl. J. Med., 338, 1521, 10.1056/NEJM199805213382107 Sharma, 2014, Systematic review and meta-analysis of the role of routine colonic evaluation after radiologically confirmed acute diverticulitis, Ann. Surg., 259, 263, 10.1097/SLA.0000000000000294 Pickhardt, 2009, Colorectal cancer screening with CT colonography: key concepts regarding polyp prevalence, size, histology, morphology, and natural history, Am. J. Roentgenol., 193, 40, 10.2214/AJR.08.1709 Andrade, 2017, Routine colonoscopy after acute uncomplicated diverticulitis - challenging a putative indication, Dig. Surg., 34, 197, 10.1159/000449259 Alexandersson, 2014, The risk of colorectal cancer after an attack of uncomplicated diverticulitis, Scand. J. Gastroenterol., 49, 576, 10.3109/00365521.2014.886717 de Vries, 2014, Routine colonoscopy is not required in uncomplicated diverticulitis: a systematic review, Surg. Endosc., 28, 2039, 10.1007/s00464-014-3447-4 Ou, 2015, Colonoscopy after CT-diagnosed acute diverticulitis: Is it really necessary?, Can. J. Surg., 58, 226, 10.1503/cjs.014514 Zalis, 2005, CT colonography reporting and data system: a consensus proposal, Radiology, 236, 3, 10.1148/radiol.2361041926 Hanley, 1983, If nothing goes wrong, is everything all right? Interpreting zero numerators, JAMA, 249, 1743, 10.1001/jama.1983.03330370053031 Cancer Registry of Norway, 2018 Gleeson, 1970, Colonic diverticula. Radiological diagnosis, BMJ, 3, 568, 10.1136/bmj.3.5722.568 Toorenvliet, 2010, Colonic diverticulitis: a prospective analysis of diagnostic accuracy and clinical decision-making, Colorectal Dis., 12, 179, 10.1111/j.1463-1318.2009.01778.x Bellini, 2014, Perforation rate in CT colonography: a systematic review of the literature and meta-analysis, Eur. Radiol., 24, 1487, 10.1007/s00330-014-3190-1 Neri, 2013, The second ESGAR consensus statement on CT colonography, Eur. Radiol., 23, 720, 10.1007/s00330-012-2632-x Laghi, 2016, CT Colonography: an update on current and future indications, Expert Rev. Gastroenterol. Hepatol., 10, 785, 10.1586/17474124.2016.1143358 Pickhardt, 2003, Computed tomographic virtual colonoscopy to screen for colorectal neoplasia in asymptomatic adults, N. Engl. J. Med., 349, 2191, 10.1056/NEJMoa031618 Kim, 2007, CT colonography versus colonoscopy for the detection of advanced neoplasia, N. Engl. J. Med., 357, 1403, 10.1056/NEJMoa070543 Hirata, 2008, Association between colonic polyps and diverticular disease, World J. Gastroenterol., 14, 2411, 10.3748/wjg.14.2411 Winawer, 1993, Prevention of colorectal cancer by colonoscopic polypectomy. The National Polyp Study Workgroup, N. Engl. J. Med., 329, 1977, 10.1056/NEJM199312303292701 Weizman, 2011, Diverticular disease: epidemiology and management, Can. J. Gastroenterol., 25, 385, 10.1155/2011/795241 Hoff, 2009, Risk of colorectal cancer seven years after flexible sigmoidoscopy screening: randomised controlled trial, BMJ, 338, b1846, 10.1136/bmj.b1846