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Isolated astasia in acute infarction of the supplementary-motor area.
MedLine Citation:
PMID:  22767673     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
Astasia, which is the inability to stand in the absence of motor weakness or marked sensory loss, is an uncommon clinical feature of stroke in the thalamic ventrolateral region. The authors describe a patient with a unilateral supplementary motor area (SMA) infarction presenting with contralateral astasia. On neurological examination, he would lean to the left side and would fall unless supported. He showed no muscle weakness, sensory deficits or cerebellar ataxia. Magnetic resolution imaging of the brain showed acute infarction only involving the right SMA. On the basis of the anatomy that the SMA is connected to the vestibulocerebellar system through the ventrolateral nucleus of the thalamus, the authors concluded that contralateral astasia probably resulted from disruption of this connection following infarction of the SMA.
Authors:
Yuko Wada; Yo Nishimura
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Publication Detail:
Type:  Journal Article     Date:  2010-08-06
Journal Detail:
Title:  BMJ case reports     Volume:  2010     ISSN:  1757-790X     ISO Abbreviation:  BMJ Case Rep     Publication Date:  2010  
Date Detail:
Created Date:  2012-07-06     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101526291     Medline TA:  BMJ Case Rep     Country:  England    
Other Details:
Languages:  eng     Pagination:  -     Citation Subset:  IM    
Affiliation:
Department of Neurology, Nishi-Kobe Medical Center, Kobe, Japan.
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