Reorganization of Cerebral Blood Supply After Radiation Therapy for Pharyngeal Carcinoma

Morteza Alibakhshi Kenari

Department of Medical Sciences and Health Sciences, University of Sari, Iran

Dr. Morteza Alibakhshi Kenari, Department of Medical Sciences and Health Services, University of Sari, Iran.

Keywords: Radiation; Carotid Occlusion; Collaterals; Brain Perfusion; Carotid Calcifications; Pharyngeal Carcinoma; Cerebral Blood Supply

Abstract

A case of radiation-induced occlusion of both internal carotid arteries is presented. A 58-year-old man with history of surgical treatment for oropharyneal carcinoma followed by radiotherapy 5 years ago, presented with a right-sided fronto-temporo-parietal infarction as a result of insufficient cerebral blood supply. Angiography revealed occlusion of both internal carotid arteries and a right-sided occlusion of common carotid artery. We describe an unusually efficient reorganization of his cerebral blood supply.

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