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Case Reports: Rare disease
Dystonic posturing with athetoid movements in stroke without thalamic lesion
  1. Axel Ferreira1,
  2. Vanessa Carvalho2 and
  3. Paulo Simões Coelho3
  1. 1Neurology, Hospital Pedro Hispano, Matosinhos, Portugal
  2. 2Neurology, Centro Hospitalar Universitário Lisboa Norte, Lisbon, Portugal
  3. 3Neuroscience, Hospital CUF Porto, Porto, Portugal
  1. Correspondence to Dr Axel Ferreira; axelferr{at}gmail.com

Abstract

Complex hyperkinetic movement disorders are a rare complication of stroke, frequently involving posterolateral contralateral thalamic lesions. One of the proposed mechanisms for these presentations is proprioceptive impairment, hence not involving deregulation of the basal ganglia-thalamocortical circuits. We report a patient who presented with dystonic posturing and athetoid movements with onset 2 years after right frontoparietotemporal stroke. Brain MRI showed no thalamic lesion. Based on the phenomenology, a diagnosis of pseudochoreoathetosis was proposed. To our knowledge, this is the first case report of poststroke pseudochoreoathetosis without thalamic involvement.

  • Movement disorders (other than Parkinsons)
  • Stroke

http://dx.doi.org/10.1136/bcr-2022-248977

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    Footnotes

    • Contributors AF and VC drafted the work and revised it critically for important intellectual content. PSC revised the work critically for important intellectual content. All authors approve the final version to be published.

    • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

    • Case reports provide a valuable learning resource for the scientific community and can indicate areas of interest for future research. They should not be used in isolation to guide treatment choices or public health policy.

    • Competing interests None declared.

    • Provenance and peer review Not commissioned; externally peer reviewed.