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자료유형
학술저널
저자정보
김남희 (성균관대학교) 정윤석 (성균관대학교) 정우신 (성균관대학교) 양효준 (성균관대학교) 박수경 (성균관대학교) 최규용 (성균관대학교) 박동일 (성균관대학교)
저널정보
대한장연구학회 Intestinal research Intestinal research Vol.15 No.3
발행연도
2017.1
수록면
411 - 418 (8page)

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Background/Aims: Colonoscopic polypectomy is the best diagnostic and therapeutic tool to detect and prevent colorectalneoplasms. However, previous studies have reported that 17% to 28% of colorectal polyps are missed during colonoscopy. Weinvestigated the miss rate of neoplastic polyps and the factors associated with missed polyps from quality-adjusted consecutivecolonoscopies. Methods: We reviewed the medical records of patients who were found to have colorectal polyps at a medicalexamination center of the Kangbuk Samsung Hospital between March 2012 and February 2013. Patients who were referredto a single tertiary academic medical center and underwent colonoscopic polypectomy on the same day were enrolled in ourstudy. The odds ratios (ORs) associated with polyp-related and patient-related factors were evaluated using logistic regressionanalyses. Results: A total of 463 patients and 1,294 neoplastic polyps were analyzed. The miss rates for adenomas, advancedadenomas, and carcinomas were 24.1% (312/1,294), 1.2% (15/1,294), and 0% (0/1,294), respectively. Flat/sessile-shaped adenomas(adjusted OR, 3.62; 95% confidence interval [CI], 2.40–5.46) and smaller adenomas (adjusted OR, 5.63; 95% CI, 2.84–11.15 for ≤5 mm; adjusted OR, 3.18; 95% CI, 1.60–6.30 for 6–9 mm, respectively) were more frequently missed than pedunculated/sub-pedunculated adenomas and larger adenomas. In patients with 2 or more polyps compared with only one detected(adjusted OR, 2.37; 95% CI, 1.55–3.61 for 2–4 polyps; adjusted OR, 11.52; 95% CI, 4.61–28.79 for ≥5 polyps, respectively) duringthe first endoscopy, the risk of missing an additional polyp was significantly higher. Conclusions: One-quarter of neoplasticpolyps was missed during colonoscopy. We encourage endoscopists to detect smaller and flat or sessile polyps by using the optimalwithdrawal technique.

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