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Carotid Artery Disease in Duplex Sonography: 3 Cases
Korean J Clin Lab Sci 2019;51:114-118  
Published on March 31, 2019
Copyright © 2019 Korean Society for Clinical Laboratory Science.

Minho Han1,2, Junghye Choi1, Gang Sik Seo1, Hyo Suk Nam2,3

1Department of Neurology, Yonsei University Severance Hospital, Seoul, Korea 2Department of Science for Aging, Yonsei University Graduate School, Seoul, Korea 3Department of Neurology, Yonsei University College of Medicine, Seoul, Korea
Correspondence to: Minho Han
Department of Neurology, Yonsei University Severance Hospital, 50-1 Yonsei-ro, Seodaemun-gu, Seoul 03722, Korea
Tel: 82-2-2228-5283, Fax: 82-2-393-0705, E-mail:, ORCID:
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License ( which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Duplex sonography has been used to non-invasively diagnose carotid artery disease and to follow up patients with this disease. In carotid artery disease, carotid mobile thrombus and dissection are rarely detected by duplex sonography in patients with cerebrovascular events. In particular, carotid dissection occurs when a small tear forms in the tunica intima and makes 2 lumens in the carotid artery, including true and false lumens. This study reports 3 rare cases of carotid mobile thrombus, spontaneous carotid dissection, and carotid dissection in Takayasu arteritis
Keywords : Carotid dissection, Duplex sonography, Mobile thrombus, Takayasu arteritis

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