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Carotid artery dissection is a separation of the layers of the artery wall supplying oxygen-bearing blood to the head and brain and is the most common cause of stroke in young adults. (In vascular medicine, dissection is a blister-like de-lamination between the outer and inner walls of a blood vessel, generally originating with a partial leak in the inner lining.)〔Mount Sinai Hospital Patient Care Health Library: http://www.mshq.org/patient-care/health-library/diseases-and-conditions/aortic-dissection〕 ==Signs and symptoms== The signs and symptoms of carotid artery dissection may be divided into ischemic and non-ischemic categories: ''Non-ischemic signs and symptoms'' * Headache or neck pain * Decreased pupil size with drooping of the upper eyelid (Horner syndrome) ''Ischemic signs and symptoms'' * Temporary vision loss * Ischemic stroke 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Carotid artery dissection」の詳細全文を読む スポンサード リンク
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