Viral encephalitides

Viral encephalitides are the result of CNS infection by a number of different viruses, many of which have similar presentations and imaging features. Specific diagnosis often requires PCR. 


The most common causes are 3,4

  • herpes simplex virus (most commonly diagnosed cause 4)
  • varicella zoster virus (most common associated virus in one series 3)
  • enterovirus
  • influenza A virus
  • cytomegalovirus (especially in immunocompromised patients)

Although there are very many examples, some of the more common and/or important entities include 1

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Article Information

rID: 34308
Section: Gamuts
Tag: cases
Synonyms or Alternate Spellings:
  • Viral encephalitis

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