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  • Title: Crossed Choreoathetosis Caused by Unilateral Thalamic Hemorrhage.
    Author: Kurihara S, Sato T, Murakami H, Komatsu T, Sakai K, Umehara T, Omoto S, Mitsumura H, Iguchi Y.
    Journal: J Stroke Cerebrovasc Dis; 2021 Oct; 30(10):106049. PubMed ID: 34418672.
    Abstract:
    In general, involuntary movements after stroke are due to a disturbance in the unilateral cortico-basal ganglia loop and appear contralateral to stroke lesions. Crossed involuntary movements after unilateral stroke are very rare. We observed a case of crossed involuntary movements in the left upper limb and right lower limb after a right thalamic hemorrhage expanded to the right subthalamic nucleus. We considered a possible three-step theory as the basis of crossed choreoathetosis. This case informs our better understanding of the cortico-basal ganglia loop and involuntary movements after stroke.
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