MR Derived Volumetric Flow Rate Waveforms at Locations within the Common Carotid, Internal Carotid, and Basilar Arteries
نویسندگان
چکیده
منابع مشابه
3DFT MR angiography of carotid and basilar arteries.
Three-dimensional Fourier transform (3DFT) time-of-flight and two-dimensional Fourier transform (2DFT) projection phase-contrast MR angiography was performed in eight healthy volunteers and in 14 patients with known carotid artery or basilar artery occlusion, stenosis, or dissection. Comparative angiography was available in 13 cases (although in some cases the studies were separated by a number...
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Severe internal carotid artery (ICA) stenosis is a common cause of cerebrovascular accident (CVA) in middle-aged patients. Contralateral carotid occlusion (CCO) in patients with severe ICA stenosis is associated with high risk of CVA. Carotid endarterectomy (CEA) is associated with more complications in patients with CCO than those without CCO. In this study, we present the case of a 61-year-ol...
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A 5-year-old boy was evaluated for a left retrotympanic mass found at otoscopy. Subsequent petrous bone CT and MR angiographic examinations demonstrated bilateral aberrant internal carotid, bilateral stapedial artery persistence, and bilateral duplicated internal carotid arteries. Imaging findings and their clinical relevance are discussed. A second case of unilateral aberrant internal carotid ...
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A carotid bruit is often thought of as a reliable sign of extracranial carotid artery disease. In addition finding a bruit may precipitate a referral to hospital. Carotid endarterectomy has now been shown to be beneficial in patients with symptomatic carotid territory ischaemia and 70-99% stenosis of the relevant carotid artery, therefore it is important that such patients are detected and refe...
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BACKGROUND Dolichoectasia is a rare disorder of the cerebral vasculature consisting of vascular elongation, widening, and tortuosity, usually involving the vertebral and basilar arteries. Its neurological symptoms and signs are highly variable. CASE DESCRIPTION We present a case of dolichoectasia of the vertebrobasilar system in a patient with a long standing history of multiple falls. Repeat...
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ژورنال
عنوان ژورنال: Journal of Cerebral Blood Flow & Metabolism
سال: 2009
ISSN: 0271-678X,1559-7016
DOI: 10.1038/jcbfm.2009.176