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Abstract Background Alien limb is an involuntary movement that is considered a diagnostic feature of corticobasal degeneration syndrome. Few reports describe this condition in acute stroke, and most of them result from right parietal infarction. Case presentation This is a case of acute stroke presenting with a right-sided alien limb that was followed by right-sided weakness and aphasia. Effective management of the stroke was achieved through intravenous thrombolysis with the resolution of most symptoms except for a right-side sensory deficit. Magnetic resonance imaging of the brain showed acute parietal infarction involving the left sensory cortex. Conclusions Although very rare, right-sided alien limb can occur due left parietal infarction.
Nahas et al. (Mon,) studied this question.