HEMIBALLISMUS: AeTIOLOGY AND SURGICAL TREATMENT

Abstract
The lesions of hemiballismus are con-tralateral and may be in the neostriatum, paleostriatum, thalamus, postcentral gyrus, and corpus subthalamicum or its afferent connections. Linear cortico-subcortical section in 2 cases produced less neurological deficit than cortical ablation.
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