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The hypodense artery sign

, : The hypodense artery sign. Ajnr. American Journal of Neuroradiology 26(8): 2027-2029

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 case 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.


PMID: 16155153

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