Abstract
The development of image-enhanced endoscopy has dramatically improved the qualitative and quantitative diagnosis of gastrointestinal tumors. In particular, narrow band imaging (NBI) has been widely accepted by endoscopists around the world in their daily practice. In 2009, Yao et al. proposed vessel plus surface (VS) classification, a diagnostic algorithm for early gastric cancer using magnifying endoscopy with NBI (ME-NBI), and in 2016, Muto et al. proposed a magnifying endoscopy simple diagnostic algorithm for early gastric cancer (MESDA-G) based on VS classification. In addition, the usefulness of ME-NBI in the differential diagnosis of gastric cancer from gastritis, diagnosis of lesion extent, inference of histopathological type, and diagnosis of depth has also been investigated. In this paper, we narrative review the basic principles, current status, and future prospects of NBI.
Highlights
Inflammatory changes caused by Helicobacter pylori (HP) infection evaluated by ME-narrow band imaging (NBI), the crypt openings arebecome observed brown dots, and the su gradually distort the gland ducts
In erythematous/isochromatic mucosal lesions, mainly differentiated adenocarcinoma, the accuracy rate was extremely high at 99.4%, and I think that NBI is an essential technique for routine screening examinations outside of referral centers [25]
Is similar to the surrounding mucosa; Type III is when the white zone (WZ) is relatively uniform with irregular, darker microvascular pattern (MVP) that is more prominent than the surrounding mucosa; Type IV is when the WZ tends to disappear with presence of irregular MVP; and Type V is when the WZ disappears with presence of irregular MVP
Summary
Publisher’s Note: MDPI stays neutral with regard to jurisdictional claims in published maps and institutional affiliations. In NBI observation of muc glandular structures, the light projected onto the marginal crypt epithelium (MC not reach the blood vessels and causes backward confusion, which is visualized a structures, the light projected onto the marginal crypt epithelium (MCE) does not reach border. While various categories of image-enhanced endoscopy have been applied in clinical clinical practice, NBI, when used in combination with magnifying endoscopy, is practice, NBI, when used in combination with magnifying endoscopy, is good good fine at observing anatomical structures is expected to be useful in atlarly observing anatomical fine structures and is expected to beand useful in the endoscopic doscopic of In gastric cancer In this we review thestatus, basic and principles diagnosis of diagnosis gastric cancer. Status, and future prospects of magnifying endoscopy with NBI (ME-NBI)
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