Pseudochoreoathetosis in four patients with hypesthetic ataxic hemiparesis in a thalamic lesion

Thalamic lesions give rise to a variety of clinical syndromes including choreoathetotic movements and ataxic hemiparesis as well as sensory deficits. We describe four patients exhibiting pseudochoreoathetosis, hypesthesia, and ataxic hemiparesis in the limbs contralateral to a thalamic lesion. Three...

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Bibliographic Details
Published in:Journal of neurology 1999-11, Vol.246 (11), p.1075-1079
Main Authors: Kim, J W, Kim, S H, Cha, J K
Format: Article
Language:English
Subjects:
Ataxia - etiology
Ataxia - physiopathology
Athetosis - etiology
Biological and medical sciences
Cerebellar Ataxia - etiology
Chorea - etiology
Disorders of higher nervous function. Focal brain diseases. Central vestibular syndrome and deafness. Brain stem syndromes
Female
Hemiplegia - etiology
Humans
Magnetic Resonance Imaging
Male
Medical sciences
Middle Aged
Nervous system (semeiology, syndromes)
Neurology
Sensation
Thalamic Diseases - complications
Thalamic Diseases - diagnosis
Tropical medicine
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Summary:Thalamic lesions give rise to a variety of clinical syndromes including choreoathetotic movements and ataxic hemiparesis as well as sensory deficits. We describe four patients exhibiting pseudochoreoathetosis, hypesthesia, and ataxic hemiparesis in the limbs contralateral to a thalamic lesion. Three of the four patients showed the involuntary movements within 10 days of stroke onset; the remaining patient was not seen until 4 years later. Three had infarction and the other one hemorrhage in the posterior and lateral thalamus. All the patients had both cerebellar and sensory ataxia. These cases suggest that failure to convey proprioceptive information be the basic pathophysiology of pseudochoreoathetosis.
ISSN:0340-5354
1432-1459
DOI:10.1007/s004150050515