Imaging in Encephalitis

Arun Venkatesan, Balaji Jagdish

Research output: Contribution to journalArticlepeer-review

3 Scopus citations


Despite recent advances in diagnostic and therapeutic modalities for infectious and autoimmune encephalitis, the management of patients with suspected or confirmed encephalitis poses a great challenge to physicians. Neuroimaging, including magnetic resonance imaging (MRI) and positron emission tomography (PET) scanning, can play a crucial role in substantiating the diagnosis of encephalitis and eliminating clinical mimics of encephalitis from consideration. Moreover, characteristic neuroimaging patterns can aid in defining specific infectious and autoimmune etiologies. Volumetric and functional MRI, in particular, are being increasingly used to characterize outcomes following encephalitis and can shed light on brain reorganization and function after the acute phase of disease has resolved. Here, we discuss the uses of structural, functional, and PET neuroimaging in the clinical assessment of the acute and recovery phases of encephalitis.

Original languageEnglish (US)
Pages (from-to)312-321
Number of pages10
JournalSeminars in neurology
Issue number3
StatePublished - Jan 1 2019


  • MRI
  • autoimmune encephalitis
  • infectious encephalitis
  • outcomes
  • prognosis

ASJC Scopus subject areas

  • Neurology
  • Clinical Neurology


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