Brunner's gland hyperplasia is most often found in the proximal duodenum, representing the normal Brunner's glands distribution, with 70% found in the duodenal bulb, 26% in the second portion of the duodenum, and 4% in the third portion (2).
A case of Brunner's glands hyperplasia with diarrhea responsive to cimetidine.
Duodenal carcinoma with neoplastic transformation of the underlying Brunner's glands.
Gastric-type adenocarcinoma of the duodenal second portion histogenetically associated with hyperplasia and gastric-foveolar metaplasia of Brunner's glands.
Brunner's gland hyperplasia is usually asymptomatic and an incidental finding during upper gastrointestinal endoscopy.
Here we report a rare case of hemorrhagic shock caused by intestinal bleeding from Brunner's gland hyperplasia.