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Korean J Gastrointest Endosc. 2008 Jan;36(1):27-30. Korean. Case Report.
Byun HW , Lee J , Lim YJ , So CS , Han SY , Choi MH , Jang HJ , Kae SH .
Department of Internal Medicine, Hallym University College of Medicine, Seoul, Korea.

Brunner's gland hyperplasia is a tumor arising from the Brunner's gland and the lesions account for 10.6% of benign duodenal tumors. These lesions are usually asymptomatic and detected incidentally by endoscopy or by a UGI barium study. In the case of severe and atypical forms, these lesions cause bleeding, intestinal obstruction or intussuception. However, Brunner's gland hyperplasia causing an annular duodenal stricture and subsequent intestinal obstruction has been rarely reported. We report here a very rare case of Brunner's gland hyperplasia presenting as an annular stricture and obstruction.

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