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Internal carotid artery aneurysms presenting as neck masses

A neurysms of the cervical portion of the internal carotid artery (ICA) are uncommon lesions. Beall et al.' found just seven aneurysms of the extracranial carotid artery among 2300 procedures for aneurysms performed at Baylor. Raphael et al. 2 reported six carotid artery aneurysms at the Mayo Clinic from 1936 to 1962. Cervical aneurysms usually present either with bulging in the lateral pharyngeal wall or as a neck mass. As a result, the otolaryngologist is often among the first physicians to see the case. The purpose of this article is to present two cases of ICA aneurysms. These cases illustrate the importance, of careful preoperative evaluation as well as a high index of suspicion.