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Diffusion and perfusion magnetic resonance imaging for the evaluation of acute stroke: potential use in guiding

D C Tong1, G W Albers

  • 1Department of Neurology, Stanford University Medical Center, California, USA. dct@leland.stanford.edu

Current Opinion in Neurology
|March 17, 2000
PubMed

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Magnetic Resonance Imaging

Magnetic resonance imaging (MRI) is a noninvasive medical imaging technique based on a phenomenon of nuclear physics discovered in the 1930s, in which matter exposed to magnetic fields and radio waves was found to emit radio signals. In 1970, a physician and researcher named Raymond Damadian noticed that malignant (cancerous) tissue gave off different signals than normal body tissue. He applied for a patent for the first MRI scanning device in clinical use by the early 1980s. The early MRI...