腹主动脉瘤(abdominal aortic an-eurysm,简称AAA)是男性明显高发的疾病,其发病率男女的比为8:1。有人观察了100例连续性股动脉瘤,却没有一例是女性。并且,其中85%同时患有腹主动脉瘤。当某一种疾病在性别分布上显著地男性高发时,就有充分理由认为该种疾病可能由 Abdominal aortic aneurysms (abdominal aortic an-eurysm, referred to as AAA) is a high incidence of men’s disease, the incidence of male to female ratio of 8: 1. Someone observed 100 cases of continuous femoral aneurysms, but none of them were females. And, 85% of them had abdominal aortic aneurysm at the same time. When a particular disease is significantly higher in men than in sex, there is good reason to believe that the disease may be caused by