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Pyloric obstruction caused by prolapse of a hyperplastic gastric polyp
Herwig Cerwenka1, Heinz Bacher, Hans-Joerg Mischinger
1Department of Visceral Surgery, Karl-Franzens University, Graz, Austria. cerwenka@kfunigraz.ac.at
Abstract:
Hyperplastic gastric polyps account for the majority of benign gastric polyps and are generally diagnosed by routine gastroscopy as they rarely become symptomatic. We report a 79-year-old woman who presented with intermittent attacks of bloating, belching, nausea and vomiting. Endoscopy showed a pedunculated polyp in the gastric antrum prolapsing through the pylorus, thus obstructing the gastric outlet. The polyp was repositioned with an endoscopic forceps and then removed at its pedicle by endoscopic snare excision. Histologic examination showed a hyperplastic polyp without dysplasia or malignancy. The significance of gastric polyps is discussed from the clinical point of view.