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  • Title: Fenestration of the internal carotid artery: a rare mass of the hypotympanum associated with persistence of the stapedial artery.
    Author: Koenigsberg RA, Zito JL, Patel M, Swartz JD, Goldofsky E, Zahtz G.
    Journal: AJNR Am J Neuroradiol; 1995 Apr; 16(4 Suppl):908-10. PubMed ID: 7611071.
    Abstract:
    A 61-year-old woman was examined because of unilateral nonpulsatile tinnitus involving the right ear. CT scanning showed a soft-tissue mass in the hypotypanum. Angiographically, the mass was identified as a fenestrated or duplicated internal carotid artery associated with persistence of the stapedial artery. Embryologic considerations are discussed.
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