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Letters   |    
Patient With Globus Pallidus Infarction Presenting With Reversible Dementia
Reiji Koide, M.D.; Mitsuaki Bandoh, M.D.
The Journal of Neuropsychiatry and Clinical Neurosciences 2013;25:E41-E42. doi:10.1176/appi.neuropsych.12070167
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Conflicts of interest: none

Dept. of Neurology Tokyo Metropolitan Neurological Hospital Tokyo, Japan

Correspondence: Dr. Koide; e-mail: reiji_koide@tmhp.jp

Copyright © 2013 American Psychiatric Association

Extract

To the Editor: A small single cerebral infarction can lead to dementia, which is known as “strategic infarct dementia.” Cases of strategic infarct dementia caused by strokes located in the globus pallidus are extremely rare, although those caused by strokes located in the angular gyrus and thalamus have been often reported. Here, we report the case of a patient with a small infarct of the left globus pallidus who presented with reversible cognitive impairment without motor deficits or involuntary movement.

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FIGURE 1. MR Images Obtained on Admission

T2-weighted (upper) and diffusion-weighted (lower) axial images show a small high-signal-intensity lesion in the left globus pallidus and a portion of the corona radiata.

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TABLE 1.Cognitive Measures After Globus Pallidus Infarction at 5 and 29 Days After Admission
Table Footer Note

MMSE: Mini-Mental State Exam; RAVLT: Rey Auditory Visual Learning Test.

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References

Bhatia  KP;  Marsden  CD:  The behavioural and motor consequences of focal lesions of the basal ganglia in man.  Brain 1994; 117:859–876
[CrossRef] | [PubMed]
 
Giroud  M;  Lemesle  M;  Madinier  G  et al:  Unilateral lenticular infarcts: radiological and clinical syndromes, aetiology, and prognosis.  J Neurol Neurosurg Psychiatry 1997; 63:611–615
[CrossRef] | [PubMed]
 
Kim  SH;  Park  KH;  Sung  YH  et al:  Dementia mimicking a sudden cognitive and behavioral change induced by left globus pallidus infarction: review of two cases.  J Neurol Sci 2008; 272:178–182
[CrossRef] | [PubMed]
 
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