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Utility of narrow-band imaging with or without dual focus magnification in neoplastic prediction of small colorectal polyps: a Vietnamese experience

Clinical endoscopy, 2023-07, Vol.56 (4), p.479-489 [Peer Reviewed Journal]

COPYRIGHT(C) KYOBO BOOK CENTRE ALL RIGHTS RESERVED ;ISSN: 2234-2400 ;EISSN: 2234-2443

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  • Title:
    Utility of narrow-band imaging with or without dual focus magnification in neoplastic prediction of small colorectal polyps: a Vietnamese experience
  • Author: Tien Manh Huynh ; Quang Dinh Le ; Nhan Quang Le ; Huy Minh Le ; Duc Trong Quach
  • Subjects: Colonic polyp ; Dual focus ; Narrow band imaging ; Optical imaging ; Vietnam
  • Is Part Of: Clinical endoscopy, 2023-07, Vol.56 (4), p.479-489
  • Description: Background/Aims: Accurate neoplastic prediction can significantly decrease costs associated with pathology and unnecessary colorectal polypectomies. Narrow-band imaging (NBI) and dual-focus (DF) mode are promising emerging optical technologies for recognizing neoplastic features of colorectal polyps digitally. This study aimed to clarify the clinical usefulness of NBI with and without DF assistance in the neoplastic prediction of small colorectal polyps (<10 mm). Methods: This cross-sectional study included 530 small colorectal polyps from 343 consecutive patients who underwent colonoscopy at the University Medical Center from September 2020 to May 2021. Each polyp was endoscopically diagnosed in three successive steps using white-light endoscopy (WLE), NBI, and NBI-DF and retrieved for histopathological assessment. The diagnostic accuracy of each modality was evaluated with reference to histopathology. Results: There were 295 neoplastic polyps and 235 non-neoplastic polyps. The overall accuracies of WLE, WLE+NBI, and WLE+NBI+NBI-DF in the neoplastic prediction of colorectal polyps were 70.8%, 87.4%, and 90.8%, respectively (p<0.001). The accuracy of WLE+NBI+NBI-DF was significantly higher than that of WLE+NBI in the polyp size ≤5 mm subgroup (87.3% vs. 90.1%, p<0.001). Conclusions: NBI improved the real-time neoplastic prediction of small colorectal polyps. The DF mode was especially useful in polyps ≤5 mm in size.
  • Publisher: 대한소화기내시경학회
  • Language: Korean
  • Identifier: ISSN: 2234-2400
    EISSN: 2234-2443
  • Source: KoreaMed Synapse
    PubMed Central
    KoreaMed Open Access
    ROAD: Directory of Open Access Scholarly Resources
    DOAJ Directory of Open Access Journals
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