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  • Title: Objective tinnitus caused by an aberrant internal carotid artery.
    Author: Koizuka I, Hattori K, Tsutsumi K, Sakuma A, Katsumi N, Kikuchi H, Kato I.
    Journal: Auris Nasus Larynx; 1998 Sep; 25(3):323-7. PubMed ID: 9800001.
    Abstract:
    We report the case of a 29 year-old woman who complained of pulsatile tinnitus and impaired hearing. On otoscopic examination, her right tympanic membrane was observed to be in contact with a mass in the middle ear cavity, with the formation of a meniscus at the point of contact. Using a high-sensitivity microphone inserted into the external auditory canal, we recorded pulsatile tinnitus that was synchronous with the electrocardiogram. Magnetic resonance angiography revealed that the middle ear mass was an aberrant internal carotid artery coursing through the hypotympanum.
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