J Gastroenterol (2017) 52:1023–1030 DOI 10.1007/s00535-017-1307-4 ORI G INAL ARTI CL E—ALIMENTARY T R ACT Diagnostic accuracy of demarcation of undifferentiated-type early gastric cancer after Helicobacter pylori eradication 1 1 2 1 • • • • Yusuke Horiuchi Junko Fujisaki Noriko Yamamoto Masami Omae 1 1 1 1 • • • • Akiyoshi Ishiyama Toshiyuki Yoshio Toshiaki Hirasawa Yorimasa Yamamoto 1 3 Tomohiro Tsuchida Hiroshi Takahashi Received: 26 October 2016 / Accepted: 4 January 2017 / Published online: 12 January 2017 Japanese Society of Gastroenterology 2017 Abstract Results Accurate diagnosis rates were 92.2% with eradi- Background It is unknown whether Helicobacter pylori cation and 60.6% without. Mean intercrypt distance ratios (H. pylori) eradication is beneﬁcial when demarcating were 1.95 and 1.59, respectively. Neutrophil inﬁltration undifferentiated-type early gastric cancers (UD-type was mild in the eradication group. Signiﬁcant differences EGCs). This study aimed to determine whether H. pylori were observed in each parameter (p \ 0.05). No signiﬁcant eradication is beneﬁcial, and also when beneﬁts become difference was observed between the 1-month eradication detectable. and [1-month eradication subgroups in terms of accurate Methods Sixty lesions that were detected as a B20-mm diagnosis rate, mean intercrypt distance ratio, or histolog- lesion without
Journal of Gastroenterology – Springer Journals
Published: Jan 12, 2017
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