ArticleDigestive diseases and sciences2017
Usefulness of Non-magnifying Narrow Band Imaging in EVIS EXERA III Video Systems and High-Definition Endoscopes to Diagnose Dysplasia in Barrett's Esophagus Using the Barrett International NBI Group (BING) Classification.
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Who cites it
10 citing papers in PubMed, 2 syntheses or guidelines pooled it.
- Advanced imaging (narrow band and acetic acid chromoendoscopy) and guided biopsies in surveillance of Barrett's oesophagus: a systematic review.BMJ open gastroenterology · 2026Pooled it
- Quality Upper Gastrointestinal Endoscopy in Australia and Aotearoa New Zealand: A Joint Position Statement.Journal of gastroenterology and hepatology · 2025Guideline
- Deep Learning in Barrett's Esophagus Diagnosis: Current Status and Future Directions.Bioengineering (Basel, Switzerland) · 2023Review
- Endoscopic Diagnosis and Management of Barrett's Esophagus with Low-Grade Dysplasia.Diagnostics (Basel, Switzerland) · 2022Review
- Barrett's esophagus: The pathomorphological and molecular genetic keystones of neoplastic progression.Cancer medicine · 2022Review
- Clinically Available Optical Imaging Technologies in Endoscopic Lesion Detection: Current Status and Future Perspective.Journal of healthcare engineering · 2021Review
- Advanced endoscopic imaging for detecting and guiding therapy of early neoplasias of the esophagus.Annals of the New York Academy of Sciences · 2020Review
- Narrow-Band Imaging: Clinical Application in Gastrointestinal Endoscopy.GE Portuguese journal of gastroenterology · 2018Review
- Advanced Imaging for Barrett's Esophagus and Early Neoplasia: Surface and Subsurface Imaging for Diagnosis and Management.Current gastroenterology reports · 2018Review
- Shining a White Light on Barrett's Esophagus: What Does the BING Classification Bring?Digestive diseases and sciences · 2017Article
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Abstract
backgroundNarrow band imaging (NBI) allows identification of abnormal areas of Barrett's esophagus (BE) and could facilitate targeted biopsies.
aimsWe evaluated the diagnostic accuracy for dysplasia prediction using non-magnifying NBI in Evis Exera III processors and high-definition endoscopes using the Barrett International NBI Group (BING) classification, as well as inter/intraobserver agreement for dysplasia prediction and mucosal/vascular patterns.
methodsEight observers (4 staff endoscopists and 4 trainee endoscopists) evaluated 100 images selected from an anonymized bank of 470 photographs using the BING classification. Observers were to assign their individual assessment of the mucosal and vascular pattern, and prediction for dysplasia. Accuracy for dysplasia prediction and intra/interobserver agreement was calculated.
resultsDysplasia prediction had an accuracy of 81.1%, sensitivity of 48.4%, and a specificity of 91%. Positive predictive value and negative predictive value (NPV) were 61.4 and 85.5%, respectively. Dysplasia prediction done with a high degree of confidence (vs. low degree of confidence) had better diagnostic accuracy (85.8 vs. 70.7%). Interobserver concordance for dysplasia was weak: Κ = 0.40. Agreement for mucosal and vascular patterns was 0.39 and 0.30, respectively. Intraobserver concordance (assessed 6 months after initial test) for mucosal pattern, vascular pattern, and dysplasia prediction was moderate: Κ = 0.56, Κ = 0.47 and Κ = 0.60, respectively.
conclusionsOur results showed that NBI had a significant accuracy in BE assessment for dysplasia prediction, high specificity (>90%), and NPV (>85%), with suboptimal sensitivity. NBI could be a useful additional tool for BE inspection and targeted biopsies, but cannot avoid the need for biopsies following the Seattle protocol.
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