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- W2079221721 abstract "OBJECTIVES: The narrow-band imaging (NBI) system is a novel technology that enhances the visualization of microvasculature and mucosal patterns. The aim of this study was to assess the reliability of the NBI system for esophageal cancer screening in patients with head and neck cancers. METHODS: A total of 142 patients with head and neck squamous cell carcinoma (SCC) were examined by NBI endoscopy, followed by Lugol chromoendoscopy between April 2006 and June 2008 at the Okayama University Hospital, Okayama, Japan. Detection of SCC and high-grade intraepithelial neoplasia (HGIN) was conducted. RESULTS: The median age of the patients was 64 years (range: 29–86 years), and approximately three- fourths of all the patients were male. In total, 21 superficial lesions in 16 patients were detected by NBI endoscopy. Of these, 4 lesions were diagnosed histologically as SCC and 11 lesions as HGIN. An additional 22 Lugol-voiding lesions ≥5mm were detected in 19 patients by Lugol chromoendoscopy. Although 1 of these lesions was diagnosed as HGIN, 21 lesions were diagnosed as low-grade intraepithelial neoplasia or lesions without atypical findings. The sensitivity of NBI endoscopy for detecting esophageal SCC and HGIN was 90.9% (95% confidence interval (CI), 58.7–99.8), specificity was 95.4% (95% CI, 90.3–98.3), and accuracy was 95.1% (95% CI, 90.1–98.0). CONCLUSIONS: NBI seems to be useful and reliable for screening for esophageal SCC in patients with head and neck cancers. Am J Gastroenterol 2009; 104:2942–2948; published online 21 July 2009" @default.
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- W2079221721 date "2009-12-01" @default.
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- W2079221721 title "Narrow-Band Imaging Provides Reliable Screening for Esophageal Malignancy in Patients With Head and Neck Cancers" @default.
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- W2079221721 doi "https://doi.org/10.1038/ajg.2009.426" @default.
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