Inverted Hyperplastic Polyp in Stomach: A Case Report and Literature Review | Zendy

Yeonho Lee | Zendy; Moon Kyung Joo | Zendy; Beom Jae Lee | Zendy; Ji-Ae Lee | Zendy; Tae-Hyun Kim | Zendy; Jin Gu Yoon | Zendy; Jung Min Lee | Zendy; Jong-Jae Park | Zendy

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Inverted Hyperplastic Polyp in Stomach: A Case Report and Literature Review

Author(s) -

Yeonho Lee,

Moon Kyung Joo,

Beom Jae Lee,

Ji-Ae Lee,

Tae-Hyun Kim,

Jin Gu Yoon,

Jung Min Lee,

Jong-Jae Park

Publication year - 2016

Publication title -

korean journal of gastroenterology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.203

H-Index - 25

eISSN - 2233-6869

pISSN - 1598-9992

DOI - 10.4166/kjg.2016.67.2.98

Subject(s) - medicine , submucosa , stomach , adenocarcinoma , endoscopic submucosal dissection , hyperplastic polyp , stromal tumor , gastroenterology , stromal cell , pathology , radiology , cancer , colonoscopy , colorectal cancer

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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