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J Vasc Surg. 2003 Jun;37(6):1314-7.

Double-lumen carotid plaque: a morbid configuration.

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Surgical and Radiology Services of the San Francisco Department of Veterans Affairs Medical Center, University of California, San Francisco, California 94121, USA.


During analysis of carotid plaque anatomy for a multicenter carotid imaging trial, we examined plaque specimens from 5 patients with double internal carotid artery lumina. Four of the 5 patients had symptoms referable to the lesion. The second lumen was noted when the plaque specimens were examined ex vivo with high-resolution (200 microm(3)) magnetic resonance imaging. Plaque structure was correctly identified in only 1 patient preoperatively. However, during retrospective review of the preoperative imaging studies, the second internal carotid artery lumen was identified in 3 patients.

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