Dieulafoy病又称恒径小动脉畸形,1884年Gallard首先报道了此病,1898年法国医生Dieulafoy更清楚描述了此病的特征,此病因而得名。Dieulafoy病是一个少见的疾病,约1%~2%病人可出现致死性消化道大出血。现就我院近年收治的5例Dieulafoy病结合近10年来国内文献,共182例来探讨该病的 Dieulafoy disease, also known as constant diameter arteriole malformation, Gallard was first reported in 1884 in 1884, the French doctor Dieulafoy more clearly described the characteristics of the disease, the cause of the name. Dieulafoy’s disease is a rare condition and fatal gastrointestinal bleeding can occur in about 1% to 2% of patients. Now on our hospital in recent years, 5 cases of Dieulafoy disease combined with the domestic literature over the past 10 years, a total of 182 cases to explore the disease