Bleeding Brunner’s Gland Hyperplasia of the Duodenum: A Case Report With a Review of the Japanese Literature

Tateki Yamane, Takayuki Ishii, Akira Umeda, Shigeharu Takagi, Hitoshi Shimao


A man taking antithrombotic agents was admitted because of melena. Upper gastrointestinal endoscopy revealed a large, pedunculated polyp bleeding from erosions on its top. The polyp was endoscopically resected, and histopathologically diagnosed as Brunner’s gland hyperplasia. It is commonly encountered as a small, raised lesion, but may enlarge or bleed. We report this case, with a review of the Japanese literature and discussion of the mechanism of bleeding.



Duodenal Brunner’s gland hyperplasia; Gastrointestinal bleeding; Endoscopic resection

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Gastroenterology Research, bimonthly, ISSN 1918-2805 (print), 1918-2813 (online), published by Elmer Press Inc.            
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