Reassessing the Carotid Artery Plaque "Rim Sign" on CTA: A New Analysis with Histopathologic Confirmation.
John C BensonValentina NardiAjay A MadhavanMelanie C Bois M DLuca SabaLuis E SavastanoAmir LermanGiuseppe LanzinoPublished in: AJNR. American journal of neuroradiology (2022)
The rim sign is not associated with the presence of intraplaque hemorrhage on histology. However, it is associated with a higher proportion of hemorrhage within a plaque and therefore may be a biomarker of more severe intraplaque hemorrhage, if present.
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