Carlo Nicola De Cecco1,2, Maria Ciolina1, Bruno Annibale3, Marco Rengo1, Davide Bellini1, Giuseppe Muscogiuri1, Antonello Maruotti4,5, Luca Saba6, Franco Iafrate1, Andrea Laghi7. 1. Department of Radiological Sciences, Oncology and Pathology, University of Rome "Sapienza" - Polo Pontino, Via Franco Faggiana, 34, 04100, Latina, Italy. 2. Department of Radiology & Radiological Sciences, Medical University of South Carolina, 25 Courtenay Drive, Charleston, SC, 29425, USA. 3. Department of Digestive and Liver Disease, University of Rome "Sapienza" - Sant'Andrea Hospital, Via di Grottarossa 1035, Rome, Italy. 4. Department of Public Institutions, Economy and Society, University "Roma Tre", Rome, Italy. 5. Southampton Statistical Sciences Research Institute & School of Mathematics, University of Southampton, Southampton, UK. 6. Department of Radiology, Azienda Ospedaliera Universitaria di Cagliari, Cagliari, Italy. 7. Department of Radiological Sciences, Oncology and Pathology, University of Rome "Sapienza" - Polo Pontino, Via Franco Faggiana, 34, 04100, Latina, Italy. andrea.laghi@uniroma1.it.
Abstract
OBJECTIVES: This study aimed to evaluate the prevalence of colonic diverticula according to age, gender, distribution, disease extension and symptoms with CT colonography (CTC). METHODS: The study population included 1091 consecutive patients who underwent CTC. Patients with diverticula were retrospectively stratified according to age, gender, clinical symptoms and colonic segment involvement. Extension of colonic diverticula was evaluated using a three-point quantitative scale. Using this data, a multivariate regression analysis was applied to investigate the existence of any correlation among variables. RESULTS: Colonic diverticula were observed in 561 patients (240 men, mean age 68 ± 12 years). Symptomatic uncomplicated diverticular disease (SUDD) was present in 47.4% of cases. In 25.6% of patients ≤40 years, at least one diverticulum in the colon was observed. Prevalence of right-sided diverticula in patients >60 years was 14.2% in caecum and 18.5% in ascending colon. No significant difference was found between symptomatic and asymptomatic patients regarding diverticula prevalence and extension. No correlation was present between diverticula extension and symptoms. CONCLUSION: The incidence of colonic diverticula appears to be greater than expected. Right colon diverticula do not appear to be an uncommon finding, with their prevalence increasing with patient age. SUDD does not seem to be related to diverticula distribution and extension. KEY POINTS: Incidence of colonic diverticula appears to be greater than expected. Right colon diverticula do not appear to be an uncommon finding. SUDD does not seem to be related to diverticula distribution and extension.
OBJECTIVES: This study aimed to evaluate the prevalence of colonic diverticula according to age, gender, distribution, disease extension and symptoms with CT colonography (CTC). METHODS: The study population included 1091 consecutive patients who underwent CTC. Patients with diverticula were retrospectively stratified according to age, gender, clinical symptoms and colonic segment involvement. Extension of colonic diverticula was evaluated using a three-point quantitative scale. Using this data, a multivariate regression analysis was applied to investigate the existence of any correlation among variables. RESULTS:Colonic diverticula were observed in 561 patients (240 men, mean age 68 ± 12 years). Symptomatic uncomplicated diverticular disease (SUDD) was present in 47.4% of cases. In 25.6% of patients ≤40 years, at least one diverticulum in the colon was observed. Prevalence of right-sided diverticula in patients >60 years was 14.2% in caecum and 18.5% in ascending colon. No significant difference was found between symptomatic and asymptomatic patients regarding diverticula prevalence and extension. No correlation was present between diverticula extension and symptoms. CONCLUSION: The incidence of colonic diverticula appears to be greater than expected. Right colon diverticula do not appear to be an uncommon finding, with their prevalence increasing with patient age. SUDD does not seem to be related to diverticula distribution and extension. KEY POINTS: Incidence of colonic diverticula appears to be greater than expected. Right colon diverticula do not appear to be an uncommon finding. SUDD does not seem to be related to diverticula distribution and extension.
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