Tremor and Other Hyperkinetic Movements

Transient Generalized Chorea in Influenza A Encephalopathy

Jannik Prasuhn, Georg Royl, Klaus P. Wandinger, Norbert Brüggemann, Alexander Neumann, Thomas F. Münte

Abstract


Background: Influenza A infections are a rare cause of movement disorders. Previously described patients have suffered from acute-onset myoclonus and/or dystonia or post-viral parkinsonism.

Case Report: We present the case of a 74-year-old female patient with transient generalized chorea due to influenza A-mediated encephalopathy.

Discussion: We discuss whether the clinical presentation and the magnetic resonance imaging changes may be attributable to cytokine-mediated encephalopathy or to direct cytotoxic effects of the virus. Additionally, we would like to make clinicians aware of this clinical sign in the context of viral encephalopathy.

 


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