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Inclusion criteria
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Ischemic stroke (acute DWIa lesion and corresponding acute neurological deficit of >24 h duration) in the territory of the anterior or middle cerebral artery <15 days
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before both MDCTAb and black-blood carotid CMRc
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Stenosing (i.e. luminal obstruction > 50% according to NASCETd criteria) atherosclerotic plaque in the internal carotid artery of the symptomatic side as determined by duplex sonography
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Exclusion criteria
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Stroke etiology other than large vessel disease
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Bilateral infarcts on cerebral
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Known contraindications against CMR or MDCTA
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Allergy to contrast material
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Impaired renal function (glomerular filtration rate < 30 ml/min)
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Previous radiation therapy to head or neck
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Surgical procedure within 24 h before bb-CMR
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Previous interventional or surgical manipulation of the symptomatic carotid artery (e.g. stenting, endarterectomy)
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Insufficient image quality in bb-CMR or MDCTA
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