R. Nick Bryan, MD, PhD, professor and chair of Radiology and John Detre, MD, professor of Neurology and Radiology, both of the University of Pennsylvania School of Medicine, participated in a panel which recently released new guidelines recommending that doctors use a diffusion MRI scan to diagnose stroke instead of a CT scan. According to the guidelines, diffusion MRI should be considered more useful than a CT scan for diagnosing acute ischemic stroke within 12 hours of a person’s first stroke symptom. In one large study that was reviewed for the guideline, stroke was accurately detected 83 percent of the time by MRI versus 26 percent of the time by CT.
The guidelines are published in the July 13, 2010, issue of Neurology®, the medical journal of the American Academy of Neurology. <http://www.aan.com>
For more information, please visit the Neurology press release:
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