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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2021.11
- 수록면
- 881 - 887 (7page)
- DOI
- 10.5946/ce.2020.257
이용수
초록· 키워드
오류제보하기
Background/Aims: To date, no reports have compared the diagnostic efficacy of narrow-band imaging (NBI) and i-scan for thehistologic prediction of intermediate-to-large colorectal polyps. We aimed to compare the diagnostic accuracy of NBI and i-scan inpredicting histology, and their inter-/intra-observer agreement.
Methods: We performed a prospective, randomized study that included 66 patients (NBI, n=33 vs. i-scan, n=33) with colorectalpolyps (size >10 mm but <50 mm) who underwent colonoscopic resection. During the procedure, three endoscopists documentedtheir prediction using the Japan NBI Expert Team (JNET) classification. Two months after study completion, the endoscopistsreviewed still images and video clips for analysis.
Results: The overall diagnostic accuracies in the NBI and i-scan groups were 73.7% (73/99) and 75.8% (75/99), respectively, andthere was no statistical significance between the two groups (p=0.744). The JNET classification as applied to NBI and i-scan showedsubstantial inter-observer agreement (NBI κ-value 0.612, p=0.001 vs. i-scan κ-value 0.662, p=0.002). Additionally, the κ-values ofintra-observer agreement were in the range of 0.385?0.660 with NBI and 0.364?0.741 with i-scan.
Conclusions: NBI and i-scan have similar diagnostic accuracies for the histologic prediction of intermediate-to-large colorectalpolyps. Furthermore, the inter-/intra-observer agreement was acceptable for both modalities when the JNET classification wasapplied.
목차
등록된 정보가 없습니다.
참고문헌 (29)
참고문헌 신청
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Allen JI / 1995 / Molecular biology of colon polyps and colon cancer / Semin Surg Oncol 11:399~405
Winawer SJ / 1993 / Prevention of colorectal cancer by colonoscopic polypectomy. The National Polyp Study Workgroup / N Engl J Med 329:1977~1981
Liu HH / 2003 / Pit pattern analysis by magnifying chromoendoscopy for the diagnosis of colorectal polyps / J Formos Med Assoc 102:178~182
van den Broek FJ / 2008 / Endoscopic tri-modal imaging for surveillance in ulcerative colitis : randomised comparison of high-resolution endoscopy and autofluorescence imaging for neoplasia detection; and evaluation of narrow-band imaging for classification of lesions / Gut 57:1083~1089
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