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A 65-year-old man had acute left leg weakness 2 months prior to presentation. One week later, he developed involuntary groping of objects with his left hand. His left hand initiated involuntarily movements to oppose voluntary actions of his right hand. Examination revealed visual/tactile groping of objects and self-opposing behavior of his left hand while the patient complained that his left hand behaved mischievously (video at neurology.org/cp). His left hand showed ideomotor apraxia, agraphesthesia, astereognosis, and sensory extinction without motor weakness and with normal primary sensations. MRI brain revealed acute infarct in right corpus callosum and cingulated gyrus. Magnetic resonance angiography showed nonvisualized right anterior cerebral artery (figure).
Footnotes
Supplemental data: neurology.org/cp
- © 2013 American Academy of Neurology
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