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Axial T1-weighted MRI in a 59-year-old man with right hemiplegia and parakinesia brachialis oscitans

Axial T1-weighted magnetic resonance image showing irregular signal characteristics in the left lateral frontal cortex and white matter extending to operculum, precentral gyrus, sylvian cortex (blue arrow), as well as gliosis in the right putamen and the head of the caudate nucleus (red arrow). (Source: Chowdhury A, Datta AK, Biswas S, Biswas A. Parakinesia brachialis oscitans: a rare post-stroke phenomenon. Tremor Other Hyperkinet Mov [N Y] 2022;12:6. Creative Commons Attribution 4.0 International License [CC-BY 4.0]. http://creativecommons.org/licenses/by/4.0.)