Dieulafoy病最早由法国医师Dieulafoy报道,是胃肠道血管畸形的一种[1],又称黏膜下恒径动脉出血、Dieu-lafoy溃疡(杜氏溃疡)等。Dieulafory病是引起成人(主要是中老年男性)上消化道致命性出血的少见原因之一,超过半数可发生失血性休克,临床漏诊、误诊较多。儿童患者国内未见报道 Dieulafoy disease was first reported by the French physician Dieulafoy, is a gastrointestinal vascular malformations [1], also known as submucosal constant arterial hemorrhage, Dieu-lafoy ulcers (Du’s ulcer) and so on. Dieulafory disease is one of the rare causes of fatal hemorrhage in upper gastrointestinal tract in adults (mainly middle-aged and old men). More than half of them may have hemorrhagic shock, which may result in missed diagnosis and misdiagnosis. Children have not been reported in the country