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The Journal of Cardiovascular Surgery 1998 April;39(2):163-5

Copyright © 2000 EDIZIONI MINERVA MEDICA

language: English

Carotid string sign resulting from an aberrant branch of the internal carotid artery

Brooks A. J., Behm G. M., Baxter B. T., Lynch T. G.

From the Department of Surgery University of Nebraska Medical Center Omaha, Nebraska, USA


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Branches of ­the extra­cra­ni­al inter­nal carot­id ­artery ­are ­very ­rare. A ­case is report­ed where­in an aber­rant ­artery orig­i­nat­ed ­from ­the ­bulb of ­the inter­nal carot­id ­artery (­ICA) approx­i­mate­ly 2 cm ­from ­the bifur­ca­tion. The ­ICA ­was occlud­ed dis­tal to ­the ­branch’s ori­gin. Arteriography in ­this ­case ­gave ­the appear­ance of a carot­id “­string ­sign”. Vascular sur­geons ­and radiol­o­gists ­should be ­aware of ­this anom­a­ly ­when inter­pret­ing carot­id arter­i­o­grams.

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