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Magnetic resonance angiography
1Departments of Radiology and Nuclear Medicine, University of Western Ontario, Department of Neurology, London Health Sciences Centre, London, Ontario, Canada.
Advances in Neurology
|May 23, 2003
Abstract:
MRA is a robust technique that still is undergoing modifications and improvements. As a noninvasive, or minimally invasive, technique using intravenous contrast injection, it offers complementary assessment of intracranial and extracranial arteries at the time of MRI, using similar coils and sequences. Images are similar to, but of lower resolution than, those of conventional angiography.