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Published in: Lasers in Medical Science 8/2018

01-11-2018 | Original Article

Ability of blue laser imaging with magnifying endoscopy for the diagnosis of gastric intestinal metaplasia

Authors: Honglei Chen, Yanan Liu, Yi Lu, Xutao Lin, Qiuning Wu, Jiacheng Sun, Chujun Li

Published in: Lasers in Medical Science | Issue 8/2018

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Abstract

We aimed to determine the utility of blue laser imaging (BLI) with magnifying endoscopy (BLI-ME) for the prediction and diagnosis of gastric intestinal metaplasia (GIM). Participants, aged between 40 and 75 years, undergoing gastroscopy from January to April 2017 were included in this study. The ability of BLI-ME and white light endoscopy (WLE) to detect GIM was assessed by comparing the endoscopic findings with the histological findings. The correlation between the grades of light blue crest (LBC) appearance and histology grade of GIM was calculated. We included 100 participants in this study. GIM was diagnosed in 27 participants; 20 participants were detected by both BLI and WLE, four by BLI only, and three exclusively by random biopsies. The values of sensitivity, specificity, positive predictive values, and negative predictive values for detecting GIM were 34.9, 38.9, 25.4, and 57.1%, respectively, for WLE and 88.9, 96.7, 94.1, and 93.3%, respectively, for BLI-ME. The diagnostic accuracy for GIM was 43% for WLE and 94.0% for BLI-ME. A good correlation between the grades of LBC and the grades of GIM on histology was observed (P < 0.01). BLI-ME achieved a good diagnostic efficiency for detection of GIM. LBC seen on BLI-ME is a typical indicator of GIM.
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Metadata
Title
Ability of blue laser imaging with magnifying endoscopy for the diagnosis of gastric intestinal metaplasia
Authors
Honglei Chen
Yanan Liu
Yi Lu
Xutao Lin
Qiuning Wu
Jiacheng Sun
Chujun Li
Publication date
01-11-2018
Publisher
Springer London
Published in
Lasers in Medical Science / Issue 8/2018
Print ISSN: 0268-8921
Electronic ISSN: 1435-604X
DOI
https://doi.org/10.1007/s10103-018-2536-3

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