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Key facts Definition:Delamination of wall of carotid artery from entry of blood(under arterial pressure)through a rent in intima.Consider in young/middle-aged patient with headache,TIA,stroke(dissection causes 10%~25%of ischemic strokes in young adults).Common carotid artery(CCA)dissection:Usually an extension from arch dissection.Internal cartied artery(ICA)dissection:Localized,most frequent site of head/neck dissection.
Key facts Definition: Delamination of wall of carotid artery from entry of blood (under arterial pressure) through a rent in intima. Copleider in young / middle-aged patient with headache, TIA, stroke (dissection causes 10% -25% of ischemic strokes in young adults). Common carotid artery (CCA) dissection: Usually an extension from arch dissection. Internal cartied artery (ICA) dissection: Localized, most frequent site of head / neck dissection.