Two weeks before the patient had an episode of upper gastrointestinal bleeding and underwent an upper gastrointestinal endoscopy with hemostasis and biopsy of a 2cm duodenal polyp, which revealed Brunner's gland hyperplasia.
He underwent a repeat upper gastrointestinal endoscopy for hemostasis of bleeding Brunner's gland hyperplasia (Fig.
Histological examination confirmed Brunner's gland hyperplasia, with lobular proliferation of Brunner's glands, some of which were cystically dilated.
A well-defined histopathologic classification of Brunner's gland lesions is still lacking, and the terms hyperplasia, hamartoma, adenoma and Brunneroma are currently being used without distinction (3).
Brunner's gland hamartomas, clinical presentation and pathological features of 27 cases.
Brunner's gland adenoma of the duodenum- A case report and literature review.
Brunner's gland hyperplasia and hamartoma; imaging features with clinicopathologic correlation.