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Acute Neurologic Syndromes Beyond Stroke: The Role of Emergent MR Imaging

Edward K Sung1, Chad Farris1, Mohamad Abdalkader1

  • 1Department of Radiology, Boston University Medical Center, 820 Harrison Avenue, FGH Building, 3rd Floor, Boston, MA 02118, USA.

Neuroimaging Clinics of North America
|July 16, 2018
PubMed

Insights

Diffusion-weighted imaging (DWI) is vital for diagnosing acute stroke and various nonischemic disorders. This review covers common emergency conditions exhibiting diffusion abnormalities.

Area of Science:

  • Radiology
  • Medical Imaging
  • Neurology

Background:

  • Diffusion-weighted imaging (DWI) is a key MRI technique.
  • While essential for acute stroke, DWI also detects abnormalities in nonischemic conditions.

Purpose of the Study:

  • To review common emergency disorders presenting with diffusion abnormalities on MRI.
  • To highlight the utility of DWI beyond acute stroke evaluation.

Main Methods:

  • Review of literature on MRI findings in emergency settings.
  • Focus on diffusion-weighted imaging characteristics.

Main Results:

  • DWI reveals abnormalities in infectious processes, trauma, and toxic/metabolic disorders.
  • Recognizing these patterns is crucial for accurate diagnosis.

Conclusions:

  • DWI is indispensable for evaluating a broad spectrum of emergency conditions.
  • Understanding diffusion abnormalities aids in timely diagnosis and management.
Keywords:
DiffusionInfectionMetabolicNonischemicToxicTrauma

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