Brunner's gland adenoma(or Brunneroma) is clinically relevant tumor-like lesion of the duodenum which is composed of submucosal-Brunner's tissue. Since the first case by autopsy was described by Cruveihier in 1935, there have been less than 190
reports
in the world literature, Brunner's gland adenoma is an extremely rare entity that accounts for only 10.6% of benign duodenal tumors, which are themselves relatively rare representing 0.008% of all surgical and autopsy specimens.
The clinical manifestation of this tumor are non-specific gastrointestinal complaints, such as bloating or epigastric pain, and tumor often gives rise to melena or obstruction. It is postulated that this tumor are hamartomas rather than true
neoplasm
However, they undergo rarely malignant transformation.
We report on a case of a large pedunculated Brunner's gland adenoma, which was successfully polypectomized.
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