A Case of a Bleeding Duodenal Lipoma Successfully Controlled by Endoscopic Resection.

This is a case report of successful endoscopic resection (ER) of a bleeding duodenal lipoma. An 85-year-old woman who was diagnosed with asymptomatic subepithelial tumor of the duodenum 3 years ago visited the emergency room with hematemesis and was admitted to our hospital. Emergent esophagogastroduodenoscopy revealed bleeding from an ulcer on the superior aspect of a subepithelial tumor measuring about 20 mm in diameter, at the superior duodenal angle. The ulcer was in the active stage (A1), with a visible vessel. The bleeding was controlled by ER of the tumor using a snare. The final pathological diagnosis was duodenal lipoma with mucosal ulceration. The patient showed no signs of bleeding for 10 days after the procedure; subsequently, she was discharged and followed up for regular checkups.