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- Title
Endoscopic Detection of Small Bowel Dysplasia and Adenocarcinoma in Crohn's Disease: A Prospective Cohort-Study in High-Risk Patients.
- Authors
Simon, M.; Cosnes, J.; Gornet, J. M.; Seksik, P.; Stefanescu, C.; Blain, A.; Pariente, B.; Nancey, S.; Vuitton, L.; Nachury, M.; D'Haens, G.; Filippi, J.; Chevret, S.; Laharie, D.
- Abstract
Background and Aims: Crohn's disease [CD] is associated with an increased risk of small bowel adenocarcinoma [SBA]. There are no recommendations on endoscopic screening of SBA in CD patients. The aim of this study was to evaluate the feasibility and value of endoscopic screening for SBA in CD patients at high-risk of SBA. Methods: We performed an exploratory multi-centre study in a prospective cohort of CD patients at high-risk of SBA deined as long-term small bowel disease without bowel resection for the past 10 years. Depending on the location of the disease, baseline upper and/or lower enteroscopies were performed. Random and targeted biopsies using chromoendoscopy were taken. Patients were followed-up for at least 1 year after inclusion. Results: In total, 101 patients [62 men; median age: 48 years; median duration of disease: 19 years] were recruited in ten centres. The endoscopic procedure was incomplete in 47 cases because of impassable strictures and dilation was performed in four patients. Indeterminate small bowel dysplasia was identiied in two patients at endoscopic screening; SBA was conirmed in one after surgical resection. With an at least 1-year follow-up duration, two additional cases of SBA were identiied in patients who underwent surgery for obstruction, resulting in a 33% sensitivity rate for SBA endoscopic screening. Conclusion: In a cohort of high-risk patients, the prevalence of dysplasia and SBA on CD was 4%. Because of its low sensitivity, endoscopic screening cannot be recommended for surveillance in CD patients at high-risk of SBA.
- Publication
Journal of Crohn's & Colitis, 2017, Vol 11, Issue 1, p47
- ISSN
1873-9946
- Publication type
Article
- DOI
10.1093/ecco-jcc/jjw123