• Mov. Disord. · Nov 2002

    Case Reports

    Hemiballism after subthalamotomy in patients with Parkinson's disease: report of 2 cases.

    • Chiung-Chu Chen, Shih-Tseng Lee, Tony Wu, Chi-Jen Chen, Chin-Chang Huang, and Chin-Song Lu.
    • Movement Disorders Unit, Chang Gung Memorial Hospital and Medical College, Chang Gung University, Lin-Ko, Taoyuan, Taiwan, Republic of China.
    • Mov. Disord. 2002 Nov 1;17(6):1367-71.

    AbstractThe occurrence of persistent hemiballism after subthalamotomy for Parkinson's disease (PD) has not been described as frequently as mild or transient dyskinesia. We report on 2 patients with advanced PD who developed hemiballism and/or dyskinesia after subthalamotomy. One patient with a small lesion confined to the subthalamic nucleus (STN) developed persistent hemiballism; the other with a larger lesion involving the STN and also the zona incerta presented with a transient dyskinesia in a single limb. We conclude that a precise STN lesion might bear a potential risk of persistent hemiballism.Copyright 2002 Movement Disorder Society

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