[Unilateral abolition of parkinsonian rigidity after subthalamic nucleus hemorrhage].
A 63-year-old man with parkinsonism suddenly developed a right hemiballism, and the CT showed a hematoma of the left subthalamic nucleus. After the ballistic movement had disappeared, muscular rigidity improved on the right. This case suggests that excessive output from the subthalamic nucleus to the internal segment of globus pallidus plays a critical role in the pathophysiology of parkinsonian rigidity.
Yamada
A
A
Third Department of Internal Medicine, Kagawa Medical School.
Takeuchi
H
H
Miki
H
H
D002543:Cerebral Hemorrhage / Q000209:etiology*; D005917:Globus Pallidus / Q000503:physiopathology; D006406:Hematoma / Q000209:etiology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009127:Muscle Rigidity / Q000150:complications* / Q000503:physiopathology; D010300:Parkinson Disease / Q000150:complications* / Q000503:physiopathology; D013787:Thalamic Nuclei / Q000503:physiopathology