MRI findings in eastern equine encephalitis: The "parenthesis" sign

Joshua Nickerson, Suma Kannabiran, Heather N. Burbank

Research output: Contribution to journalArticle

3 Scopus citations

Abstract

Two patients with eastern equine encephalitis (EEE) presented to a tertiary referral center. Both subjects' brain magnetic resonance imaging showed T2/FLAIR (fluid-attenuated inversion recovery) hyperintensities including linear areas of hyperintensity in the external and internal capsules with sparing of the lentiform nuclei. Single case reports of imaging findings in EEE exist with nonspecific patterns of abnormality. We propose that this "() parentheses sign" on T2 or FLAIR imaging may distinguish EEE from other processes.

Original languageEnglish (US)
Pages (from-to)222-223
Number of pages2
JournalClinical Imaging
Volume40
Issue number2
DOIs
StatePublished - Mar 1 2016
Externally publishedYes

Keywords

  • Eastern equine encephalitis
  • MRI
  • Parenthesis
  • Viral encephalitis

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging

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