ArticleGE Portuguese journal of gastroenterology2021
Dysplasia Surveillance in Inflammatory Bowel Disease: A Cohort Study.
Article in GE Portuguese journal of gastroenterology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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7 citing papers in PubMed, 7 citations in OpenAlex.
- Smartphone conjunctiva photography for malaria risk stratification in asymptomatic school age children.NPJ digital medicine · 2025Article
- Hyperspectral Information Extraction With Full Resolution From Arbitrary Photographs.IEEE transactions on image processing : a publication of the IEEE Signal Processing Society · 2025Article
- Measuring the concordance between endoscopic and histologic inflammation and its effect on IBD-associated dysplasia.Endoscopy international open · 2024Article
- The yield of dysplasia and serrated lesions in a single-centre tertiary inflammatory bowel disease cohort.Therapeutic advances in gastroenterology · 2023Article
- Guidelines for the management of ulcerative colitis. Recommendations of the Polish Society of Gastroenterology and the Polish National Consultant in Gastroenterology.Przeglad gastroenterologiczny · 2023Article
- Endoscopic colorectal cancer surveillance in inflammatory bowel disease: Considerations that we must not forget.World journal of gastrointestinal endoscopy · 2022Review
- Nonconventional dysplasia in ulcerative colitis: a clinicopathological study of 694 patients.Annals of gastroenterologyArticle
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
introductionPatients with colonic inflammatory bowel disease (IBD) are at an increased risk for colorectal cancer (CRC), whereby surveillance colonoscopy is recommended.
aimTo study the clinical and endoscopic variables associated with dysplasia in IBD patients.
methodsA cohort study was conducted on IBD patients who were part of a colonoscopy surveillance program between 2011 and 2016.
resultsA total of 342 colonoscopies were performed on 162 patients (105 with ulcerative colitis [UC] and 57 with Crohn's disease). Random biopsies were performed at least once on 81.5% of patients; 33.3% of the patients underwent chromoendoscopy (CE) at least once. Endoscopically resectable lesions were detected in 55 patients (34%), and visible lesions deemed unfit for endoscopic resection were found in 5 patients (3.1%). Overall, 62 dysplastic visible lesions (58 with low-grade dysplasia and 3 with high-grade dysplasia) and 1 adenocarcinoma were found in 34 patients. Dysplasia in random biopsies was present in 3 patients, the yield of random biopsies for dysplasia being 1.85%/patient (3/162), 1.75%/colonoscopy (6/342), and 0.25%/biopsy (9/3,637). Dysplasia detected in random biopsies was significantly associated with a personal history of visible dysplasia (
conclusionOur data confirm that patients with long-standing IBD, in particular UC, should be enrolled in dysplasia surveillance programs, and that performing CE and random biopsies seems to help in the detection of colonic neoplastic lesions.
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