Rapid progression and brain atrophy in anti-AMPA receptor encephalitis

Yi Chia Wei, Chi Hung Liu*, Jainn Jim Lin, Kun Ju Lin, Ko Lun Huang, Tsong Hai Lee, Yeu Jhy Chang, Tsung I. Peng, Kuang Lin Lin, Ting Yu Chang, Chien Hung Chang, Hung Chou Kuo, Kuo Hsuan Chang, Mei Yun Cheng, Chin Chang Huang

*Corresponding author for this work

Research output: Contribution to journalJournal Article peer-review

52 Scopus citations

Abstract

Anti-α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA) receptor encephalitis is an anti-neuronal surface antigen autoimmune encephalitis that is rarely reported. Our study evaluated the first known patient who developed anti-AMPA receptor encephalitis during pregnancy. Initial brain MRI revealed bilateral limbic encephalitis. However, rapid brain atrophy on MRI with extensive hypometabolism of cerebral cortices, caudate nuclei and brain stem hypoperfusion on 18F-FDG PET developed when clinically progressed. IgG index of serial CSF studies reflected the clinical improvements after plasmapheresis and plasma exchange. The clinical spectrum of anti-AMPA receptor encephalitis may be expanded from limited limbic involvement to extended central nervous system.

Original languageEnglish
Pages (from-to)129-133
Number of pages5
JournalJournal of Neuroimmunology
Volume261
Issue number1-2
DOIs
StatePublished - 15 08 2013

Keywords

  • AMPA
  • Anti-glutamate receptor
  • Brain atrophy
  • Encephalitis
  • Eosinophilic meningoencephalitis

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