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  • Title: Hemichorea associated with cavernous angioma and a small errhysis: A case report and literature review.
    Author: Qiu J, Cui Y, Sun L, Guo Y, Zhu Z.
    Journal: Medicine (Baltimore); 2018 Oct; 97(43):e12889. PubMed ID: 30412085.
    Abstract:
    RATIONALE: Chorea is a movement disorder characterized by randomly appearing involuntary movements of the face, neck, limbs, or trunk. Hemichorea is unilateral, involving one side of the body. Hemichorea is commonly caused by non-ketotic hyperglycemia and/or cerebrovascular injury to the contralateral basal ganglia. PATIENT CONCERNS: Here, we report the case of a patient diagnosed with hemichorea who had diabetes, cavernous angioma, and a small intracranial errhysis. Routine testing showed the patient's blood glucose level was slightly higher than the normal range. INTERVENTIONS: The errhysis was too small to be treated. DIAGNOSES: Brain magnetic resonance imaging showed a cavernous angioma with a small errhysis in the right putamen. OUTCOMES: Hemichorea was completely resolved after 4 months. LESSONS: If diabetes is well controlled and imaging indicates brain lesions suggestive of a recent stroke, a diagnosis of post-stroke hemichorea should be considered.
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