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Pseudoaneurysm of the External Carotid Artery following Radical Neck Dissection and Irradiation: A Case Report and Review of the Literature

A 54-year-old man developed a pseudoaneurysm of the left external carotid artery 8 years after concluding treatment for squamous cell carcinoma of the tongue. Treatment included radiation therapy, radical neck dissection and a myocutaneous pectoralls major flap. Percutaneous transcatheter embolization resulted in thrombosis of the pseudoaneurysm. A review of the literature yielded only six other reported cases of pseudoaneurysm of the external carotid artery proper.