¹Türkiye Yüksek İhtisas Eğitim ve Araştırma Hastanesi, Kalp ve Damar Cerrahisi Kliniği-ANKARA Surgical approach as ligation and/or graft interposition was performed to three extracranial internal carotid artery aneurysms carrying different etiologies. They have technical disturbances, different etiologies, varying diagnostic and curative approaches therefore internal carotid artery aneurysms are interesting and also infrequent cases. Complications as thromboembolic cerebral ischemia, risk of rupture and cranial nerve injury due to compression versus satisfactory surgical long term results support aggressive surgical approach for these aneurysms. (Turkish J Vasc Surg 2003; 12(1): 43-47) Keywords : Extracranial internal carotid artery aneurysm, aneurysmectomy, ligation, graft interposition