Copyright 2010 American Medical Association. All Rights Reserved. Applicable FARS/DFARS Restrictions Apply to Government Use.2010
Diagnosis: Postinfectious aneurysm of the petrous internal carotid artery (ICA)
Aneurysms of the ICA usually develop in its cervical course because of atherosclerosis. Those originating from the petrous segment are rare, and their true incidence is unknown. The etiologic factors include trauma, infection, congenital causes, and atherosclerosis.1,2
Radiology Quiz Case 1: Diagnosis. Arch Otolaryngol Head Neck Surg. 2010;136(5):520. doi:10.1001/archoto.2010.60-b
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