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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...
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High-resolution Functional Magnetic Resonance Imaging Methods for Human Midbrain
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Structural MRI.

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  • 1Alzheimer Center Amsterdam, Department of Radiology, VU University Medical Center, Amsterdam, The Netherlands. m.wattjes@vumc.nl

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Magnetic resonance imaging (MRI) is a key tool for diagnosing dementia, helping to rule out other conditions and identify specific brain changes. This review explores MRI

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Area of Science:

  • Neurology
  • Radiology
  • Neuroimaging

Background:

  • Neuroimaging, particularly MRI, is essential for diagnosing neurodegenerative diseases like dementia.
  • Current guidelines recommend MRI during the diagnostic work-up for suspected dementia.

Purpose of the Study:

  • To review the role of structural MRI in memory clinic settings.
  • To highlight MRI's utility in excluding treatable causes and supporting dementia diagnoses.

Main Methods:

  • Review of current literature and clinical guidelines on MRI in dementia diagnosis.
  • Discussion of visual rating scales for assessing atrophy and vascular damage.
  • Exploration of MRI's ability to detect specific pathologies like cerebral microbleeds.

Main Results:

  • MRI helps exclude non-dementia causes and supports clinical diagnosis by identifying atrophy and vascular patterns.
  • Visual rating scales are standard for quantifying brain changes.
  • MRI can detect pathologies like cerebral microbleeds linked to Alzheimer's and amyloid angiopathy.

Conclusions:

  • Structural MRI is a valuable paraclinical tool in the diagnostic process for dementia.
  • MRI aids in both excluding differential diagnoses and confirming suspected dementia in memory clinics.