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Journal of Korean Neurosurgical Society 2007;41(5): 327-329.
Stent-assisted Angioplasty for Symptomatic Radiation-induced Carotid Stenosis.
Yoon Kwang Kwon, Eal maan Kim, Chang Young Lee
Department of Neurosurgery, Keimyung University School of Medicine, Daegu, Korea. nslcy@dsmc.or.kr
A 44-year-old woman presented with recurrent, transient episodes of left-side hemiparesis. She had received a radiation dose of 6120 cGy to her cervical region for parotid gland carcinoma 13 years previously. Cerebral angiography revealed a long, irregular tight stenosis involving the right extracranial internal carotid artery (ICA) and common carotid artery (CCA), measuring approximately 90% at the most severe narrowing according to North American Symptomatic Carotid Endarterectomy Trial criteria. Endovascular stent placement resulted in restoration of the carotid lumen to about 80% of its original diameter. She showed no further ischemic events during the follow-up period of 48 months. Our clinical and angiographic findings suggest that carotid stenting is considered a safe and effective treatment option in patients with radiation-induced carotid stenosis.
Key Words: Radiation; Carotid stenosis; Stenting
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