• Willem Jan van Rooij, Menno Sluzewski, and Guus N Beute.
• Department of Radiology, St. Elisabeth Ziekenhuis, Tilburg, The Netherlands. radiol@knmg.nl
• Neuroradiology. 2006 Oct 1; 48 (10): 737-43.

IntroductionThe tentorial artery is often involved in arterial supply to tentorial dural fistulas. The hypertrophied tentorial artery is accessible to embolization, either with glue or with particles.MethodsSix patients are presented with tentorial dural fistulas, mainly supplied by the tentorial artery. Two patients presented with intracranial hemorrhage, two with pulsatile tinnitus and one with progressive tetraparesis, and in one patient the tentorial dural fistula was an incidental finding. Different endovascular techniques were used to embolize the tentorial artery in the process of endovascular occlusion of the fistulas.ResultsAll six tentorial dural fistulas were completely occluded by endovascular techniques, confirmed at follow-up angiography. There were no complications. When direct catheterization of the tentorial artery was possible, glue injection with temporary balloon occlusion of the internal carotid artery at the level of the tentorial artery origin was effective and safe.ConclusionDifferent endovascular techniques may be successfully applied to embolize the tentorial artery in the treatment of tentorial dural fistulas.

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