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J Neuroimmunol. 2013 Aug 15;261(1-2):129-33. doi: 10.1016/j.jneuroim.2013.05.011. Epub 2013 Jun 21.

Rapid progression and brain atrophy in anti-AMPA receptor encephalitis.

Author information

1
Department of Neurology, Keelung Medical Center, Chang Gung Memorial Hospital, Keelung, Taiwan.

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 (18)F-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.

KEYWORDS:

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

PMID:
23796872
DOI:
10.1016/j.jneuroim.2013.05.011
[Indexed for MEDLINE]

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