Atypical Bickerstaff brainstem encephalitis: ataxic hypersomnolence without ophthalmoplegia
- PMID: 23564757
- DOI: 10.1136/jnnp-2013-304993
Atypical Bickerstaff brainstem encephalitis: ataxic hypersomnolence without ophthalmoplegia
Abstract
Objective: Clinical and immunological evaluation of 'incomplete' Bickerstaff brainstem encephalitis (BBE).
Methods: We studied two patients with postinfectious brainstem syndromes who presented at National University Hospital Singapore. Laboratory work-up included measurement of antiganglioside antibodies.
Results: Both patients displayed hypersomnolence and cerebellar-like ataxia in the absence of external ophthalmoplegia and carried high serum titres of IgG anti-GQ1b antibodies, strongly indicative of BBE.
Conclusions: Ophthalmoplegia can be absent or incomplete in BBE, and the absence of this clinical feature should not exclude BBE from the clinicians' differential. Such cases of incomplete BBE could be defined as 'ataxic hypersomnolence without ophthalmoplegia'.
Keywords: EYE MOVEMENTS; GUILLAIN-BARRE SYNDROME; IMMUNOLOGY; NEUROPATHY.
Comment in
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Another CNS phenotype of anti-GQ1b antibody syndrome.J Neurol Neurosurg Psychiatry. 2013 Nov;84(11):1185. doi: 10.1136/jnnp-2013-305236. Epub 2013 May 23. J Neurol Neurosurg Psychiatry. 2013. PMID: 23704313 No abstract available.
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Bickerstaff brainstem encephalitis: more common than we think?J Neurol Neurosurg Psychiatry. 2013 Nov;84(11):1184. doi: 10.1136/jnnp-2013-305239. Epub 2013 May 23. J Neurol Neurosurg Psychiatry. 2013. PMID: 23704314 No abstract available.
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