Pseudoaneurysm of Extracranial High Internal Carotid Artery

Pseudoaneurysm of extracranial high internal carotid artery was rare lesion. Left hemiparesis was suddenly developed after 6 hours following penetrating injury at right mastoid area by air gun. On brain computerized tomography relatively well defined low density was noted at right temporo-parietal area. On right caratid angiography round aneurysmal dilatation, 2.5x3 cm sized was present at the site of metallic shadow in the atlas. The pseudoaneurysm was treated by the method of direct surgical approach, removal of aneurysm and end to end anastomosis with autogenous saphenous vein interposition bypass graft without difficulty. Postoperative course was not uneven.