冠状动脉瘤为一罕见的冠状动脉疾病,凡冠状动脉扩张超过邻近冠脉的直径或超过患者最大冠状血管直径的1.5倍即为冠状动脉瘤。本症亦称为扩张性动脉粥样硬化、动脉粥样硬化溃疡性疾患、冠状动脉扩张等。1761年首先由Morgagni对1例冠状动脉瘤作了病理学描述,1912年Boungon对冠状动脉扩张作了报道。但1967年以前,文献报道的病例均为尸检资料。冠状动脉造影的开展,使生前能作出冠状动脉瘤的正确诊断。冠状动脉瘤的发生率各家报道不一,Oliveros在1500例心导管检查中证实冠状动脉瘤的发生率为0.3%;Swaye在20,087例冠状动脉 Coronary artery aneurysm is a rare coronary artery disease, where the coronary artery dilates more than the diameter of the adjacent coronary artery or more than 1.5 times the maximum coronary diameter of the patient is the coronary aneurysm. This disease is also known as dilated atherosclerosis, atherosclerotic ulcer disease, coronary artery dilatation and so on. In 1761, Morgagni first described the pathology of one case of coronary aneurysm. In 1912, Boungon reported the expansion of coronary arteries. But before 1967, all the reported cases in the literature were autopsy data. Coronary angiography carried out so that life can make the correct diagnosis of coronary aneurysms. The incidence of coronary aneurysm varies widely, with Oliveros confirming a 0.3% incidence of coronary aneurysms in 1500 cardiac catheterisations; Swaye in 20,087 coronary arteries