A case of aneurysm of the horizontal intratemporal carotid artery with
compression of the facial nerve is presented, Exclusion of the aneury
sm with an intraluminal balloon did not relieve the facial nerve compr
ession.Surgical resection of the aneurysm and repair of the facial ner
ve continuity was successfully performed through a combined transmasto
id supra-labyrinthine approach, after permanent balloon occlusion of t
he internal carotid artery.