Right-sided alien hand in acute parietal infarction: a case report

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.

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.

Although very rare, right-sided alien limb can occur due left parietal infarction.