[Arteriosclerotic aneurysm as an unexpected intraoperative finding].

Unexpected arteriosclerotic aneurysms were found in 11 patients during operation performed for other reasons. They were located in the abdominal part of the aorta (8 cases), in the popliteal artery (2 cases) and in the cranial mesenterial artery (1 case). Complications of these aneurysms such as rupture or peripheral embolization, led to surgical intervention in 5 patients.