Chromoendoscopy vs. conventional colonoscopy: IBD surveillance

A recent study published in the American Journal of Gastroenterology compared standard white light endoscopy with random biopsy sampling for dysplasia detection in inflammatory bowel disease patients to chromoendoscopy.

Here are five things to know about the study.

1. The study included patients with ulcerative colitis and Crohn's disease who underwent colonoscopic surveillance between January 2000 and November 2013.

2. A total of 401 patients underwent 440 colonoscopies using chromoendoscopy during the study period. A total of 772 patients underwent 1,802 colonoscopies with white light endoscopy during the study period.

3. Dysplasia was detected in 11 percent of patients in the chromoendoscopy group and in 10 percent of the white light endoscopy group.

4. Targeted biopsies in the chromoendoscopy group identified 59 dysplastic lesions in the chromoendoscopy group, compared to 211 dysplastic lesions in the white light endoscopy group.

5. The study authors concluded that chromoendoscopy for IBD surveillance did not increase dysplasia detection compared with white light endoscopy with targeted and random biopsies.

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