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KMID : 0390220000110010124
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Journal of Clinical Otolaryngology, Head and Neck Surgery
2000 Volume.11 No. 1 p.124 ~ p.128
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A Case of Aberrant Carotid Artery in the Middle Ear
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Abstract
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Vascular masses in middle ear space are uncommon, and include high dehiscent jugular bulb or a glomus tumor
occurring most frequently. The bone over the carotid artery may be dehiscent, resulting in the appearance of a
vascular mass in the anteroinferior quadrant as it passes in its usual coures throgh the middle ear. Less
frequently, internal carotid artery couses aberrantly within middle ear space. If aberrant carotid artery was
misdiagnosed, surgical intervention can lead to massive bleeding, possible hemiparesis, or both. We found
vascular mass in middle ear during tympanomastoidectomy in a patient with tinnitus. Postoperatively we
checked up dynamic temporal bone CT and diagnosed aberrant carotid artery.
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