Unilateral palatal paralysis caused by lesion in the corticobulbar tract.
A patient with a cerebral infarct affecting the anterior limit of the superior segment of the corona radiata had unilateral paralysis of the palatal muscles without notable weakness of the extremities. The site of the lesion corresponded to the location of the corticofugal motor tract from the motor cortex to the genu of the internal capsule.
D000368:Aged; D002540:Cerebral Cortex; D002544:Cerebral Infarction / Q000150:complications* / Q000175:diagnosis; D006801:Humans; D008297:Male; D009132:Muscles; D010156:Palatal Muscles; D010243:Paralysis / Q000175:diagnosis / Q000209:etiology*; D011712:Pyramidal Tracts