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BMJ Publishing Group, BMJ Case Reports, 1(16), p. e248977, 2023

DOI: 10.1136/bcr-2022-248977

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Dystonic posturing with athetoid movements in stroke without thalamic lesion

Journal article published in 2023 by Axel Ferreira ORCID, Vanessa Carvalho ORCID, Paulo Simões Coelho
This paper was not found in any repository, but could be made available legally by the author.
This paper was not found in any repository, but could be made available legally by the author.

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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.