Case report: Endoscopic Hemoclip treatment for massive hematemesis caused by a Dieulafoy's lesion on duodenal papilla caused acute pancreatitis.

Background: Dieulafoy's lesion is an uncommon cause of hemorrhage of the digestive tract. It often presents with urgent and massive bleeding usually leading to shock, even death. Dieulafoy's lesions have been reported throughout the digestive tract but which occurred on duodenal papilla were particularly rare and presented challenges in the choice of hemostasis.

Massive gastrointestinal bleeding caused by a Dieulafoy's lesion in a duodenal diverticulum: A case report.

Background: Dieulafoy's lesion is a rare vascular abnormality characterized by a small abnormally dilated artery that runs a tortuous course in the submucosa. There is usually no ulcer present in Dieulafoy's lesions and the overlying mucosa is most often normal. Bleeding caused by a Dieulafoy's lesion is usually urgent, massive, life-threatening and prone to recurrence.