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The Hypodense Artery Sign
AJNR 26:2027-2029, Lee,T.C.,et al, 2005
See this aricle in Pubmed
Article Abstract
An acute intracranial embolus may be associated with a hyperdense artery sign on CT, related to acute thrombus within the affected artery, a phenomenon that is well known and has been extensively documented. We present an unusual care of a middle cerebral artery territory acute infarct with a hypodense artery on CT. The Hounsfield unit attenuation of the embolic lesion was fat density. CT angiography and MR imaging confirmed the fatty lesion to be within the middle cerebral artery.
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CAT scan,abnormal
CAT scan,hypodense cerebral artery sign
cerebral embolism
embolism
embolism,fat
middle cerebral artery territory infarction
MRI,abnormal
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