<i>H. pylori</i>未感染胃粘膜に発生したラズベリー様腺窩上皮型胃癌の一例

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  • A case of <i>H. pylori</i>-uninfected foveolar-type gastric adenocarcinoma with raspberry-like appearance

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<p>The patient was a 77-year-old woman who was admitted to our hospital because of heart burn and upper abdominal pain.</p><p>Endoscopy showed the rapsberry-like protruded lesion at the greater curvature of the lower body.</p><p>Narrow band imaging with magnified endoscopy showed the tumor was a papillary surface structures of varying sizes, a dilated intervening part with irregular microvascurality and a thinned white zone.</p><p>Pathological examination of the biopsy a specimen revealed a mild atypical ductal structure and a mild irregular arrangement of nuclei.</p><p>Endoscopic submucosal dissection was done, and histopathologically, tumor was a well differentiated tubular adenocarcinoma.</p><p>Immunohistochemical staining showed that the neoplasm was positive for MUC5AC and negative for MUC2, MUC6, CD10, indicating that it was a foveolar-type gastric adenocarcinoma.</p><p>The patient had no history of Helicobacter pylori eradication therapy and without Helicobacter pylori infection.</p>

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  • Progress of Digestive Endoscopy

    Progress of Digestive Endoscopy 102 (1), 74-76, 2023-06-30

    一般社団法人 日本消化器内視鏡学会 関東支部

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