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KMID : 0614620160670020098
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Korean Journal of Gastroenterology
2016 Volume.67 No. 2 p.98 ~ p.102
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Inverted Hyperplastic Polyp in Stomach: A Case Report and Literature Review
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이연호:Lee Yeon-Ho
주문경:Joo Moon-Kyung/이범재:Lee Beom-Jae/이지애:Lee Ji-Ae/김태현:Kim Tae-hyun/윤진구:Yoon Jin-Gu/이정민:Lee Jung-Min/박종재:Park Jong-Jae
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Abstract
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An inverted hyperplastic polyp (IHP) found in stomach is rare and characterized by downward growth of hyperplastic mucosal component into the submucosa. Because of such characteristic, IHP can be misdiagnosed as subepithelial tumor or malignant tumor. In fact, adenocarcinoma was reported to have coexisted with gastric IHP in several previous reports. Because only 18 cases on gastric IHP have been reported in English and Korean literature until now, pathogenesis and clinical features of gastric IHP and correlation with adenocarcinoma have not been clearly established. Herein, we report a case of gastric IHP which was initially misdiagnosed as gastrointestinal stromal tumor and resected using endoscopic submucosal dissection. Literature review of previously published case reports on gastric IHP is also presented.
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KEYWORD
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Inverted hyperplastic polyp, Stomach, Endoscopic submucosal dissection
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