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The Efficacy of The Japan Esophageal Society Barrett's Esophagus Magnification Endoscopy(JES-BE)Classification System for Superficial Barrett's Esophagus-related Neoplasms Manabu Takeuchi 1 , Gen Watanabe 2 , Yoichi Ajioka 3 , Masafumi Takatsuna 1 , Tomohiro Doi 1 , Hiroki Natsui 1 , Ryo Jimbo 1 , Itsuo Nagayama 1 , Keisuke Morita 1 , Yuji Kobayashi 1 , Seiichi Yoshikawa 1 1Department of Gastroenterology, Nagaoka Red Cross Hospital, Nagaoka, Japan 2Department of Pathology, Niigata Cancer Center Hospital, Niigata, Japan 3Division of Molecular and Diagnostic Pathology, Niigata University, Graduate School of Medical and Dental Sciences, Niigata, Japan Keyword: 日本食道学会拡大内視鏡分類 , JES-BE分類 , Barrett食道腺癌 , NBI , 酢酸 pp.1432-1439
Published Date 2022/10/25
DOI https://doi.org/10.11477/mf.1403203027

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 We assessed whether the JES-BE(the Japan Esophageal Society Barrett's Esophagus magnification endoscopy)classification for superficial BAC(Barrett's carcinoma)was available in our facility in our institution. For 49 target lesions with BAC or non-neoplasm, the diagnostic accuracy of the JES-BE classification was estimated. The endoscopic diagnosis was based on a condensed JES-BE diagnostic flowchart consisting of MP(mucosal pattern)irregularity or VP(vascular pattern)irregularity. For all target lesions, the sensitivity, specificity, and overall accuracy were 89.2%, 100%, and 91.8%, respectively. It is acceptable and trustworthy to use the JES-BE classification system, which includes a simplified diagnostic flowchart for determining BAC and non-neoplasm. However, it was believed that MP was a more important view because the sensitivity and overall accuracy using MP were higher at 〜20% rates than those using VP. Additionally, according to this JES-BE classification, the diagnosis accuracy of BAC derived from long-segment Barrett's esophagus tended to be lower than that of BACs with short-segment Barrett's esophagus origins. Four lesions, including two flat patterns and two challenging assessments of irregularity in MP and VP, were misdiagnosed in this study. The highest diagnosis accuracy narrow-band imaging magnifying observation with acetic acid spraying may be helpful for such lesions.


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電子版ISSN 1882-1219 印刷版ISSN 0536-2180 医学書院

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