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Ipsilateral hemiparesis caused by a corona radiata infarct after a previous stroke on the opposite side
Young-Mok Song1, Jee-Young Lee, Jong-Moo Park
1Department of Neurology, Dankook University Hospital, Cheonan, Korea.
Abstract:
Ipsilateral hemiparesis after a supratentorial stroke is rare. However, the role of the reorganization of the unaffected hemisphere in recovery after a stroke is poorly understood. Two patients developed ipsilateral hemiparesis after a left corona radiata infarct. Both of these patients had previously experienced contralateral hemiparesis after a right-sided supratentorial stroke. Functional magnetic resonance imaging demonstrated bilateral motor area activation during paretic left hand movement. This finding suggests that the ipsilateral hemiparesis was caused by a new stroke in the ipsilateral motor system that was functionally reorganized after the previous stroke.
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