Gastric Cancer (2017) 20:620–628 DOI 10.1007/s10120-016-0676-3 ORIGINAL ARTICLE Interobserver agreement in detection of ‘‘white globe appearance’’ and the ability of educational lectures to improve the diagnosis of gastric lesions 1,4 1 2 3 • • • • Hitoshi Omura Naohiro Yoshida Tomoyuki Hayashi Kazuhiro Miwa 4 5 6 7 • • • • Hajime Takatori Hirokazu Tsuji Katsuhisa Inamura Yukihiro Shirota 8 9 10 • • • Hiroyuki Aoyagi Takaharu Masunaga Kazuyoshi Katayanagi 10 4 1 • • Hiroshi Kurumaya Shuichi Kaneko Hisashi Doyama Received: 31 May 2016 / Accepted: 20 November 2016 / Published online: 3 December 2016 The International Gastric Cancer Association and The Japanese Gastric Cancer Association 2016 Abstract diagnoses and the degree of conﬁdence of diagnoses of Background White globe appearance (WGA) refers to a cancerous lesions were evaluated. small white lesion of globular shape underneath cancerous Results The kappa value for interobserver agreement in gastric epithelium that can be clearly visualized by magnify- detecting WGA in the second examination was 0.735. The ing endoscopy with narrowband imaging (M-NBI). WGA has proportion of correct diagnoses was signiﬁcantly higher in been reported to be a novel endoscopic marker that is highly the second examination compared with
Gastric Cancer – Springer Journals
Published: Dec 3, 2016
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