Unusual positional compression of the internal carotid artery causes carotid thrombosis and cerebral ischemia.

This article reports an unusual case of positional compression of internal carotid artery resulting in carotid thrombosis and stroke in a 37-year-old man. A patient was operated urgently for a free-floating thrombotic mass in the internal carotid artery. Open thrombectomy was performed in acute phase of stroke for prevention of the recapitulative cerebral thromboembolism. Hemiplegia completely disappeared within 7 months.