Correlation of Narrow Band Imaging with Magnifying Colonoscopy and Histology in Colorectal Tumors
유희용, 이문성, 고봉민, 김희경, 안형수, 한승효, 배준용, 민슬기, 이종찬, 류창범,
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유희용 ( Yoo Hee-Yong )
순천향대학교 의과대학 부천병원 내과학교실
이문성 ( Lee Moon-Sung )
순천향대학교 의과대학 부천병원 내과학교실
고봉민 ( Ko Bong-Min )
순천향대학교 의과대학 부천병원 내과학교실
김희경 ( Kim Hee-Kyung )
순천향대학교 의과대학 부천병원 병리학교실
안형수 ( Ahn Hyung-Su )
순천향대학교 의과대학 부천병원 내과학교실
한승효 ( Han Seung-Hyo )
순천향대학교 의과대학 부천병원 내과학교실
배준용 ( Bae Jun-Yong )
순천향대학교 의과대학 부천병원 내과학교실
민슬기 ( Min Seul-Ki )
순천향대학교 의과대학 부천병원 내과학교실
이종찬 ( Lee Jong-Chan )
순천향대학교 의과대학 부천병원 내과학교실
류창범 ( Ryu Chang-Beom )
순천향대학교 의과대학 부천병원 내과학교실
KMID : 0359020110440010044
Abstract
Background/Aims: Narrow band imaging (NBI) is a new technique that uses optical filters for imaging of mucosal morphology. The aim of this study was to correlate findings of NBI with magnifying colonoscopy and histology for prediction of neoplastic colorectal lesion.
Methods: Between September 2005 and December 2007, 107 colon polyps from 68 patients were detected by conventional colonoscopy and subsequently evaluated by NBI with magnifying colonoscopy and analyzed for a pit pattern and a capillary pattern. More analysis was done regarding thickness and irregularity of capillary features.
Results: Pit pattern with NBI magnification to discriminate between neoplastic and non-neoplastic lesions had a sensitivity of 88.9% and a specificity of 87.5%; capillary pattern yielded test performance characteristics of 91.9% and 87.5%. In respect of capillary thickness, invisible capillaries were found significantly more often in hyperplastic lesions. All thick capillaries were found in neoplastic polyps, and found significantly more often in carcinomas with submucosal massive invasion (sm-m) (p<0.01). In respect of capillary irregularity, invisible capillaries were found significantly more often in hyperplasic lesions, and severely irregular capillaries were found significantly more often in sm-m lesions (p<0.01).
Conclusions: Observation of capillary thickness and irregularity by NBI magnification is useful for correlating histological grade with carcinoma, especially with depth of submucosal invasion.
키워드
Correlation of Narrow Band Imaging with Magnifying Colonoscopy and Histology in Colorectal Tumors
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