A CASE OF GASTRIC POLYP REPEATEDLY PROLAPSING INTO THE DUODENAL BULB

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  • 十二指腸球部に嵌入をくり返した胃ポリープの一例

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A 57-year-old female visited our hospital complaining of occasional nausea, vomiting and abdominal fullness with sudden onset and spontaneous relief. Barium meal test revealed a gastric polyp (Yamada IV) in the posterior wall of the antrum. This gastric polyp was observed with the endoscope to periodically prolapse into the duodenal bulb and then reposition. Endoscopic polypectomy was performed after which her complaints disappeared. Histological examination of the gastric polyp showed metaplastic foveolar hyperplasia. Group 2. Although endoscopy is a routine examination in digestive diseases, prolapse of a gastric polyp into the duodenal bulb is rare. We had reported a similar case of falling off of the gastric polyp followed by massive bleeding due to necrosis of the stalk. It was concluded that upper abdominal symptoms with sudden onset and spontaneous relief seemed to be characteristic of cases with gastric polyp prolapsing into the duodenal bulb. Rapid polypectomy, if possible, is recommended in those cases.

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