Three cases of Brunner’s gland adenoma and hyperplasia

A 49-year-old man visited our hospital for investigation of duodenal SMT. Compared with endoscopic findings 2 years earlier, the lesion showed enlargement. LECS was performed. Pathological diagnosis was Brunner’s gland adenoma. A 72-year-old woman visited our hospital for investigation of anemia. An EGDS revealed SMT with erosion on the duodenum. We diagnosed the lesion was the cause of anemia. EMR was performed. Pathological diagnosis was Brunner’s gland adenoma. A 67-year-old-man visited our hospital for investigation of hematemesis. An EGDS revealed the ulcer on the known duodenal SMT. Because of the patient’s complications, we chose oral PPI administration was begun. The patient has been clear of recurrence since. Brunner’s gland adenoma and hyperplasia are basically benign lesions. When we decide their treatment policy, we must take into consideration the risk of malignancy and the patient’s ability to tolerate an operation.