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KMID : 0359020070340030146
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Korean Journal of Gastrointestinal Endoscopy
2007 Volume.34 No. 3 p.146 ~ p.150
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A Case of the Endoscopic Removal of a Duodenal Heterotopic Gastric Mucosa Presenting as a Polypoid Lesion
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Kim Sung-Hoon
Kim Kyu-Jong
Park Seun-Ja
Kim Nang-Hee
Nam Ji-Hyeon
Park Ji-Eun
Han Seo-Ryong
Moon Won
Park Moo-In
Jung Min-Jung
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Abstract
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Ectopic gastric mucosa is known to occur throughout the gastrointestinal tract. Ectopic gastric mucosa in the duodenum is classified into the developmental (heterotopic gastric mucosa) and acquired types (gastric metaplasia). Gastric metaplasia may be present in up to 64% of normal individuals but heterotopic gastric mucosa is quite rare. A heterotopic gastric mucosa in the duodenum may be asymptomatic but can give rise to perforation, hemorrhage, and intestinal obstruction in rare cases. Therefore, periodic endoscopic surveillance is recommended in these cases. Endoscopically, the appearance of a heterotopic gastric mucosa shows a mainly elevated lesion with multiple nodularity. We report a case of 1.5?1.2 cm sized polypoid lesion of the duodenum in an asymptomatic 31 year-old man. The mass was resected endoscopically and diagnosed as a heterotopic gastric mucosa. (Korean J Gastrointest Endosc 2007;34:146?150)
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KEYWORD
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Heterotopic gastric mucosa, Duodenum, Polyp
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