Document Detail

A case of acquired nystagmus alternans associated with acute cerebellitis.
MedLine Citation:
PMID:  1927421     Owner:  NLM     Status:  MEDLINE    
A case of acquired nystagmus alternans (alternating nystagmus) is reported. The patient was a 14-year-old boy who presented with fever and headache, followed by dysbasia, truncal ataxia, and positional vertigo. Neuro-otological examinations revealed spontaneous downbeat nystagmus, bilateral gaze nystagmus and rebound nystagmus. Both cell count and protein volume were elevated in the cerebrospinal fluid, and a diagnosis of cerebellitis was made. About one month later, nystagmus alternans was observed, but it disappeared after 7 months. The presence of spontaneous downbeat nystagmus, rebound nystagmus, as well as cerebellar signs indicated that a cerebellar lesion was mainly responsible for the nystagmus alternans in this patient.
Y Yoshimoto; S Koyama
Publication Detail:
Type:  Case Reports; Journal Article    
Journal Detail:
Title:  Acta oto-laryngologica. Supplementum     Volume:  481     ISSN:  0365-5237     ISO Abbreviation:  Acta Otolaryngol Suppl     Publication Date:  1991  
Date Detail:
Created Date:  1991-11-07     Completed Date:  1991-11-07     Revised Date:  2008-02-13    
Medline Journal Info:
Nlm Unique ID:  0370355     Medline TA:  Acta Otolaryngol Suppl     Country:  SWEDEN    
Other Details:
Languages:  eng     Pagination:  371-3     Citation Subset:  IM    
Department of Otolaryngology, Teikyo University School of Medicine, Tokyo, Japan.
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MeSH Terms
Acute Disease
Cerebellar Diseases / complications*
Encephalitis / complications*
Headache / etiology
Nystagmus, Pathologic / chemically induced,  etiology*,  physiopathology

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