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American Journal of Neuroradiology 25:969-972, June-July 2004
© 2004 American Society of Neuroradiology

Technical Note
BRAIN

Gadolinium-Enhanced CT Angiography of the Circle of Willis and Neck

John W. Hensona, Raul G. Nogueiraa, Diego J. Covarrubiasa, R. Gilberto Gonzaleza and Michael H. Leva

a From the Division of Neuroradiology, Massachusetts General Hospital, and Harvard Medical School, Boston, MA

Address correspondence to John W. Henson, MD, Division of Neuroradiology, Gray 285, Massachusetts General Hospital, Fruit Street, Boston, MA 02114

Summary: CT angiography (CTA) of the cervical and intracranial vessels is a rapid, noninvasive, and relatively inexpensive technique for the evaluation of vascular abnormalities. Contraindications to the use of contrast media, however, can preclude use of iodinated agents for CTA. We report the use of gadolinium as contrast agent for CTA of the head and neck in three patients with contraindications to iodinated contrast agents.






Copyright © 2008 by the American Society of Neuroradiology. Print ISSN: 0195-6108 Online ISSN: 1936-959X