Traumatic aneurysm of the supraclinoid internal carotid artery. Case report.

A case of traumatic aneurysm of the supraclinoid portion of the internal carotid artery is reported. The diagnosis was established by angiography after delayed subarachnoid hemorrhage, 2 weeks after trauma. Surgical exploration revealed a false aneurysm and a linear defect in the posterior wall of the internal carotid artery. The vessel was repaired with a microvascular suture. Postoperative angiography demonstrated the patency of the artery.