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Tien Manh Huynh 1 Article
Utility of narrow-band imaging with or without dual focus magnification in neoplastic prediction of small colorectal polyps: a Vietnamese experience
Tien Manh Huynh, Quang Dinh Le, Nhan Quang Le, Huy Minh Le, Duc Trong Quach
Clin Endosc 2023;56(4):479-489.   Published online May 24, 2023
DOI: https://doi.org/10.5946/ce.2022.212
Graphical AbstractGraphical Abstract AbstractAbstract PDFSupplementary MaterialPubReaderePub
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.

Citations

Citations to this article as recorded by  
  • Effectiveness of Dual-Focus Magnification on Confidence Levels in Optical Diagnosis of Small Colorectal Polyps
    Tien M Huynh, Quang D Le, Nhan Q Le , Huy M Le , Duc T Quach
    Cureus.2024;[Epub]     CrossRef
  • Implementing narrow banding imaging with dual focus magnification for histological prediction of small rectosigmoid polyps in Vietnamese setting
    Tien Manh Huynh, Quang Dinh Le, Nhan Quang Le, Huy Minh Le, Duc Trong Quach
    JGH Open.2024;[Epub]     CrossRef
  • The role of narrow-band imaging with or without dual focus in the detection of polyps smaller than 10 mm, especially diminutive polyps
    Jin Hwa Park
    Clinical Endoscopy.2023; 56(4): 455.     CrossRef
  • Strategy for post-polypectomy colonoscopy surveillance: focus on the revised Korean guidelines
    Yong Soo Kwon, Su Young Kim
    Journal of the Korean Medical Association.2023; 66(11): 652.     CrossRef
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