[Arterial aneurysms in Behçet's disease. 4 cases].

Four cases of Behçet's disease with aortic and peripheral lower limb lesions illustrated the characteristics of the disease: multifocal lesions, false aneurysms suggesting infectious perforation and iterative false aneurysm in 1 case. The symptoms of Behçet's disease must be looked for stubbornly. In the presence of any arterial abnormality of this type, this cause must be seriously considered.