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AJNR Am J Neuroradiol. 2000 Sep;21(8):1551-4.

Persistent stapedial artery: CT findings.

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Department of Otology and Laryngology, Harvard Medical School and Massachusetts Eye and Ear Infirmary, Boston 02114, USA.


CT of a patient with conductive hearing loss showed a small vascular structure leaving the carotid canal and passing through the stapes to join the facial nerve canal. The small bony channel paralleled the anterior tympanic segment of the facial nerve, continuing beyond the geniculate ganglion into the middle cranial fossa. Otoendoscopic photography documented the presence of a persistent stapedial artery.

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