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The persistent stapedial artery
R Silbergleit1, D J Quint, B A Mehta
1Department of Diagnostic Radiology and Medical Imaging, Henry Ford Hospital, Detroit, MI 48202, USA.
AJNR. American Journal of Neuroradiology
|March 24, 2000
Abstract:
The persistent stapedial artery is a rare congenital vascular anomaly that may present as a pulsatile middle ear mass or that may appear as an incidental finding. Five cases of persistent stapedial artery are presented. The CT findings include the absence of the ipsilateral foramen spinosum and a soft-tissue prominence in the region of the tympanic segment of the facial nerve. Three cases were associated with an aberrant internal carotid artery. Imaging identification of this variant may obviate unnecessary surgery and may help in planning surgical or endovascular interventions.