Ballism

Ballism is similar to the Chorea. These are sharp, irregular, throwing movements of greater amplitude, mostly on the proximal parts of the limbs.

Hemibalism is a ballism that affects only one half of the body. It is the most common manifestation of ballism.

Etiology
Damage to the contralateral nucleus subthalamicus Luysi orputamen. The cause may be a stroke, post-drug,hyper- or hypoglycaemia, expansion processes in the CNS, brain trauma, encephalitis, MS, neurodegenerative diseases (chorea etc.).

Treatement

 * Neuroleptics.
 * More detailed information can be found on the page Ballism / PGS / diagnostics

Related articles

 * Extrapyramidal syndromes
 * Hypokinetic extrapyramidal syndromes