Recent advances in magnetic resonance angiography of the brain

W G Bradley1

  • 1Memorial MR Center, Long Beach Memorial Medical Center, California.

Current Opinion in Neurology and Neurosurgery
|December 1, 1992
PubMed

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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...