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자료유형
학술저널
저자정보
김경옥 (영남대학교) Michael V. Chiorean (Virginia Mason Medical Center)
저널정보
대한장연구학회 Intestinal research Intestinal research Vol.18 No.4
발행연도
2020.1
수록면
438 - 446 (9page)

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Background/Aims: Chromoendoscopy (CE) has been shown to be superior to white light endoscopy (WLE) for neoplasia detection in inflammatory bowel disease (IBD). We aimed to compare the yield of CE and WLE for the detection of overall neoplasia and advanced neoplasia in IBD. Methods: Patients who underwent surveillance colonoscopy from 1999 to 2017 were identified from our IBD database. CE procedures were compared with their respective WLE controls in a paired comparison, and frequency of all neoplasia, advanced neoplasia, and serrated neoplasia was assessed for both targeted and random biopsies.Results: A total of 290 procedures performed in 98 individuals were identified with a median follow-up 4 years (median 3 colonoscopies/patient). CE and WLE were performed in 159 and 131 episodes, respectively. CE detected neoplasia in 40.9% of colonoscopies versus 23.7% with WLE (<i>P</i>= 0.002). In addition, CE detected more advanced neoplasia (18.2% vs. 6.1%, <i>P</i>= 0.002) and serrated lesions (14.5% vs. 6.1%, <i>P</i>= 0.022). Significantly fewer samples were obtained per procedure with CE (14.9 ± 9.7 vs. 20.9 ± 11.1, <i>P</i>< 0.001). Cancer was diagnosed in 2 cases.Conclusions: CE has a higher detection rate than WLE for advanced neoplasia and serrated lesions in patients with IBD under surveillance. Further prospective studies evaluating the impact of CE on decreasing the risk of interval cancer and colectomy in IBD patients are warranted.

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