Diffusion-weighted imaging is useful for diagnosis of acute ischemic stroke. However, metastatic brain lesions may also demonstrate restricted diffusion on magnetic resonance imaging. We describe 4 cases (3 with metastatic neoplasms and 1 with a meningioma) with positive findings by diffusion-weighted imaging.
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Accepted: June 29, 2005
Received: April 21, 2005
© 2005 National Stroke Association. Published by Elsevier Inc. All rights reserved.