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The authors describe a patient who showed paroxysmal dysarthria and right limb ataxia after midbrain infarction. SPECT imaging showed marked hypoperfusion in the left parietal lobe while the patient was having frequent paro xysmal attacks. After treatment with phenytoin, the symptoms and hypoperfusion in SPECT imaging improved. The authors conclude that dysfunction of the cerebellothalamocortical pathway aftermidbrain infarction may cause paro xysmal dysarthria and ataxia.
The authors describe a patient who showed paroxysmal dysarthria and right limb ataxia after midbrain infarction. SPECT imaging showed marked hypoperfusion in the left parietal lobe while the patient was having frequent paro xysmal attacks. After treatment with phenytoin, the symptoms and hypoperfusion in SPECT imaging improved The authors conclude that dysfunction of the cerebellothalamocortical pathway aftermidbrain infarction may cause paro xysmal dysarthria and ataxia.