Abstract
Brunner's gland hamartoma is a rare benign duodenal tumor. It occurs in Brunner's glands, which are found in the duodenum and produce secretions that protect the duodenum from pancreatic enzymes, gastric acid, and other agents. Endoscopic or surgical resection is required for these hamartomas. Duodenal intussusception is a relatively rare condition, usually caused by the presence of benign tumors, such as fibroadenomas, lipomas, papillomas, or sometimes with malignant neoplasms.We report a case of giant Brunner's gland hamartoma in the duodenum causing antiperistaltic intussusception in a 45-year-old female patient. The patient reported a 3-year history of chronic anemia, and this mass was detected incidentally by computed tomography (CT) during investigations for chronic anemia and weight loss. Pre-operative abdominal and pelvis contrast revealed a sausage-shaped intraluminal structure with alternating fat planes and vessels distended in the third part of the duodenum up to the first part of the duodenum. Pancreas-sparing duodenectomy was performed. The patient recovered very slowly and was discharged on postoperative day 15 in good condition. Histology showed a large polypoid mass measuring 12.0 × 7.5 × 2.0 cm3, consistent with Brunner's gland hamartoma.Brunner's gland hamartoma can present with features of duodenal intussusception or ampullary obstruction but is rarely seen to cause retrograde jejuno-duodenal intussusception. Pancreas-sparing duodenectomy is the best surgical option in adult patients with intestinal intussusception associated with giant lesions close to the ampulla of Vater, especially in the presence of features of malignancy.
Highlights
This work has been reported in line with the SCARE criteria [1]
We report a case of giant Brunner's gland hamartoma in the duodenum causing antiperistaltic intussusception in a 45-year-old female patient
Brunner's gland hamartoma is a rare benign tumor of the duodenum, which is known as Brunneroma or Brunner's gland adenoma [2]
Summary
Brunner's gland hamartoma is a rare benign tumor of the duodenum, which is known as Brunneroma or Brunner's gland adenoma [2] This tumor occurs in the Brunner's glands, which are found in the duodenum and produce secretions that protect the duodenum from pancreatic enzymes, gastric acid, and other agents [3]. These tumors are usually asymptomatic and only diagnosed incidentally. There are only few cases in the literature of duodenojejunostomy for retrograde intussusception caused by a giant Brunner's gland hamartoma. Our case is the second largest Brunner's gland hamartoma reported
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