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Endoscopic diagnosis of H. pylori-uninfected gastric cancer: Basics for detection and characterization Rie Yoshimura 1 , Daisuke Yoshimura 2 1Medical Treatment Corporate Foundation Group Hakuaikai Medical Checkup Center Wellness, Fukuoka, Japan 2Department of Gastroenterology, National Hospital Organization Kyushu Medical Center, Fukuoka, Japan Keyword: Helicobacter pylori-uninfected gastric cancer , detection and diagnosis , screening endoscopy pp.670-677
Published Date 2025/5/25
DOI https://doi.org/10.24479/endo.0000002077
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 The frequency of Helicobacter pylori (H. pylori)-uninfected gastric cancer is increasing, especially in endoscopic examination facilities. The efficient endoscopic detection of H. pylori-uninfected gastric cancer requires the diagnosis of H. pylori infection status based on the Kyoto classification of gastritis in the early stages of examination. It is also important to understand the clinicopathologic characteristics of the four major types of H. pylori-uninfected gastric cancers (gastroesophageal junctional cancer or cardia cancer, very well differentiated adenocarcinoma of gastric type, signet-ring cell carcinoma, and well differentiated adenocarcinoma of intestinal/mixed type) and to perform targeted investigation focusing on each glandular region.

 In most cases, white light imaging is sufficient for detecting lesions, and image-enhanced endoscopy can support detecting some lesions. Regardless of the type of instrument used, careful observation under appropriate cleaning and air supply is essential for efficient detection.


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電子版ISSN 印刷版ISSN 0915-3217 東京医学社

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