Eagle syndrome presenting with external carotid artery pseudoaneurysm

✍ Scribed by Anh Dao; Stellios Karnezis; John S. Lane; Roy M. Fujitani; Farhood Saremi

• Book ID: 106283021
• Publisher: Springer
• Year: 2011
• Tongue: English
• Weight: 200 KB
• Volume: 18
• Category: Article
• ISSN: 1070-3004
• DOI: 10.1007/s10140-010-0930-7

✦ Synopsis

Eagle syndrome refers to a clinical syndrome caused by the abnormal elongation of the styloid process with calcification/ossification of the stylohyoid ligament. We present the first reported case of Eagle syndrome resulting in an external carotid artery (ECA) pseudoaneurysm. A patient presented to emergency room with an expanding, painful right-neck mass. CT angiography with three-dimensional volume rendering showed a bilobed 4.0-cm right ECA pseudoaneurysm and bilateral ossification of the stylohyoid ligaments with a sharpened edge of the right styloid process at the level of the carotid artery. Aneurysmectomy was performed, and a common carotid to internal carotid bypass with reversed saphenous vein restored arterial continuity. Local resection of the styloid process with a rotational sternocleidomastoid flap was performed. The pathology report was consistent with a diagnosis of a pseudoaneurysm. A six-month clinical follow-up confirmed the complete resolution of symptoms with no neurological deficits.