Stomach and Intestine(Tokyo) Volume 51, Issue 6 (May 2016)

Early Gastric Cancer Detected after Helicobacter pylori Eradication, Report of a Case Kunihisa Uchita 1 , Shiori Sasaki 1 , Takehiro Iwasaki 1 , Koji Kojima 1 , Ai Kawada 1 , Mizu Nakayama 1 , Michiyo Okazaki 1 , Shinichi Iwamura 1 1Department of Gastroenterology, Kochi Red Cross Hospital, Kochi, Japan Keyword: H. pylori除菌後胃癌 , NBI , 拡大内視鏡 , 範囲診断 pp.814-819
Published Date 2016/5/25
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 The patient was a 60-year-old man who had a Helicobacter pylori(H. pylori)infection that had been eradicated. He was diagnosed with early gastric cancer and referred to our hospital for detailed examination. He underwent upper gastrointestinal endoscopy. The lesion was light red in color, but the margins of the lesion were unclear using conventional endoscopy, especially towards the oral side. When observed using ME-NBI(magnifying endoscopy with narrow-band imaging), the microsurface pattern of the lesion was regular, but the microvascular pattern was irregular. The margins of the lesion were detected using ME-NBI, and therefore, endoscopic submucosal dissection was performed to resect the lesion. The resected specimen revealed that the superficial epithelium of the lesion was non-cancerous. This finding was the reason for the difficulty in detecting the margins of the lesion. Sometimes, diagnosing early gastric cancer that is detected after H. pylori eradication is difficult. This should be taken into account, and careful endoscopy must be performed.

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51巻6号 (2016年5月)
電子版ISSN 1882-1219 印刷版ISSN 0536-2180 医学書院