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Magnetic resonance imaging revealed old and fresh infarction in the right cerebral hemisphere. Carotid duplex ultrasonography showed a dolichoectatic right common carotid artery with a maximum diameter of 39 mm with thick plaque and strong spontaneous echo contrast. The flow velocity was considerably reduced, which caused thrombus formation, and strong antithrombotic therapy was required. This case provides a rare example of ischemic stroke caused by extracranial carotid artery dolichoectasia.<\/jats:p>","DOI":"10.1111\/j.1552-6569.2011.00656.x","type":"journal-article","created":{"date-parts":[[2011,11,15]],"date-time":"2011-11-15T06:51:27Z","timestamp":1321339887000},"page":"83-87","source":"Crossref","is-referenced-by-count":5,"title":["Repeated Cerebral Ischemia Caused by Extracranial Carotid Artery Dolichoectasia"],"prefix":"10.1111","volume":"24","author":[{"given":"Hirokazu","family":"Sadahiro","sequence":"first","affiliation":[{"name":"Department of Neurosurgery and Clinical Neuroscience Yamaguchi University, Yamaguchi  Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hideyuki","family":"Ishihara","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery and Clinical Neuroscience Yamaguchi University, Yamaguchi  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