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December 2021; 11 (6) Case

Afternoon Tea Hemichorea

Stefan Williams, Joshua Kirby, Ana M. Garcia
First published January 25, 2021, DOI: https://doi.org/10.1212/CPJ.0000000000001048
Stefan Williams
Leeds Teaching Hospitals NHS Trust (SW, JK, AMG); and Leeds Institute of Health Science (SW), University of Leeds, United Kingdom.
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Joshua Kirby
Leeds Teaching Hospitals NHS Trust (SW, JK, AMG); and Leeds Institute of Health Science (SW), University of Leeds, United Kingdom.
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Ana M. Garcia
Leeds Teaching Hospitals NHS Trust (SW, JK, AMG); and Leeds Institute of Health Science (SW), University of Leeds, United Kingdom.
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Afternoon Tea Hemichorea
Stefan Williams, Joshua Kirby, Ana M. Garcia
Neurol Clin Pract Dec 2021, 11 (6) e942-e943; DOI: 10.1212/CPJ.0000000000001048

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A 78-year-old woman, with a medical history of hypertension, presented to the Accident & Emergency Department after a sudden onset of right-sided involuntary movements while she was having afternoon tea with her friends. Examination showed isolated unilateral chorea, affecting the right arm and leg (Video 1). Her blood glucose and sodium levels were normal. The MRI head scan showed a left globus pallidus infarct (Figure). Tetrabenazine was prescribed with very good response and weaned off after 4 weeks. Hyperkinetic movement disorders are uncommon in acute stroke (1%).1 Lesions in regions functionally connected to the posterolateral putamen are implicated in hyperkinetic movement disorders.2 The differential diagnosis includes hyperglycemia, hyponatremia, and drug-induced chorea. In cases of sudden onset, it is important to recognize stroke as a possible cause to avoid missing reperfusion therapy opportunities.

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  • Funding information and disclosures are provided at the end of the article. Full disclosure form information provided by the authors is available with the full text of this article at Neurology.org/cp.

  • Received September 26, 2020.
  • Accepted November 2, 2020.
  • © 2021 American Academy of Neurology
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Topics Discussed

  • All Cerebrovascular disease/Stroke
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  • MRI
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  • Chorea

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