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American Journal of Neuroradiology 22:1550-1552 (9 2001)
© 2001 American Society of Neuroradiology

ARTICLE

Migrainous Spasm Simulating Carotid Dissection: A Pitfall in MR Arteriographic Findings

Po Ping Iua and Hon Shing Lama

a From the Department of Radiology (P.P.I, H.S.L.), Kwong Wah Hospital, Kowloon, Hong Kong.

Summary: An MR arteriogram obtained in a patient with migraine headaches during prodrome showed features of carotid dissection. A repeated study conducted within minutes demonstrated complete patency. Vascular spasm was proposed to be the cause. Migraine occurs in more than 10% of the population. The possibility of misdiagnosing a vascular spasm as carotid dissection is real and should be guarded against since there are great prognostic and treatment implications.




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