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Contrast-Enhanced Carotid Color-Coded Duplex Sonography for Carotid Stenting Follow-Up Assessment

Kazumichi Yoshidaa, Kazuhiko Nozakia, Ken-ichiro Kikutaa, Akiyo Sadatoa, Susumu Miyamotoa and Nobuo Hashimotoa

a From the Department of Neurosurgery, Graduate School of Medicine, Kyoto University, Japan



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  		FIG 1. Benefit of CE-CCCD sonography in a patient with overlapped stents (patient 14).

A, Nonenhanced CCCD image did not allow visualization of blood flow in the overlapped stents.

B, CE-CCCD sonogram provides anatomic information almost equivalent to that on the DSA image.

C, Corresponding lateral radiograph (left) and DSA (right) images.



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  		FIG 2. Benefit of CE-CCCD sonography in a patient with a high cervical lesion (patient 5).

A, Nonenhanced CCCD image allowed visualization of only the proximal half of the stented lumen.

B, After the application of the contrast agent, flow in the distally positioned stent could fully be detected by means of CE-CCCD imaging.

C, Corresponding lateral X-p (left) and DSA (right) images.





Copyright © 2009 by the American Society of Neuroradiology. Print ISSN: 0195-6108 Online ISSN: 1936-959X