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NEUROLOGY 1989;39:1369
© 1989 American Academy of Neurology

Magnetic resonance angiography of the extracranial carotid arteries and intracranial vessels

A review

J. S. Ross, MD, T. J. Masaryk, MD, M. T. Modic, MD, S. I. Harik, MD, M. Wiznitzer, MD and W. R. Selman, MD

Department of Radiology, University Hospitals of Cleveland, Case Western Reserve University, Cleveland, OH. (Drs. Ross, Masaryk, and Modic)
Department of Neurology, University Hospitals of Cleveland, Case Western Reserve University, Cleveland, OH. (Drs. Harik and Wiznitzer)
Department of Neurosurgery, University Hospitals of Cleveland, Case Western Reserve University, Cleveland, OH. (Dr. Selman)

MRI is uniquely suited for evaluation of vascular structures due to its sensitivity to a variety of flow-related phenomena. Recent work has demonstrated that high quality magnetic resonance angiograms (MRA) of the carotid arteries and intracranial vasculature can be achieved by using gradient-echo techniques with short echo times. These MRAs are displayed like conventional arteriograms, but are acquired in a noninvasive fashion with a minimal increase in examination time. We used MRA to visualize 50 of 54 carotid bifurcations tested, with good correlation to the intra-arterial angiograms. We examined the intracranial vasculature in over 40 patients, and demonstrated aneurysms, vascular malformations, and occlusions.

Address correspondence and reprint requests to Dr. Ross, Department of Radiology, University Hospitals of Cleveland, Case Western Reserve University, 2074 Abington Road, Cleveland, OH 44106.

Received April 21, 1989. Accepted for publication in final form April 28, 1989.




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