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Magnetic Resonance Imaging Findings in Viral Encephalitis: A Pictorial Essay

Kalaivani Jayaraman1, Rajeswaran Rangasami1, Anupama Chandrasekharan1

  • 1Department of Radiology and Imaging Sciences, Sri Ramachandra Medical College and Research Institute, Chennai, Tamil Nadu, India.

Journal of Neurosciences in Rural Practice
|October 2, 2018
PubMed

Insights

Viral encephalitis, an inflammation of the brain caused by viruses, presents varied symptoms. Magnetic resonance imaging (MRI) is key for diagnosing viral encephalitis and identifying its cause.

Area of Science:

  • Neurology
  • Infectious Diseases
  • Radiology

Background:

  • Viral encephalitis is a serious neurological condition affecting the brain.
  • It can occur in any age group and its severity varies.
  • Diagnosis relies on clinical presentation, lab tests, and neuroimaging.

Purpose of the Study:

  • To review the magnetic resonance imaging (MRI) findings in common types of viral encephalitis.
  • To correlate MRI findings with specific viral etiologies.

Main Methods:

  • Review of MRI scans from patients diagnosed with viral encephalitis.
  • Correlation of imaging findings with clinical and laboratory data.
  • Categorization of MRI findings based on common viral pathogens.

Main Results:

  • MRI findings in viral encephalitis can be nonspecific or specific.
  • Certain MRI patterns are characteristic of particular viral infections.
  • MRI plays a crucial role in diagnosis and etiological prediction.

Conclusions:

  • MRI is an essential tool for diagnosing viral encephalitis.
  • Recognizing specific MRI patterns aids in identifying the causative virus.
  • This review highlights key MRI features for common viral encephalitis types.
Keywords:
Encephalitismagnetic resonance imagingmeningoencephalitisviral encephalitis

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