Chorea

Chorea is made up of irregular, random movements of various parts of the body. These are random and unpredictable involuntary movements that are short, fast and usually torsional. They are most often on acres of limbs and in the orofacial area. They usually intensify in movement, speech and emotions. A typical example is the characteristic dance walk.

Etiology
Striatal damage (especially putamen), which causes predominance of dopaminergic neurotransmission.

Causes
Metabolic, toxic and drug effects.

Symptom
Chorea occurs regularly in the following diseases:
 * Huntington's chorea
 * Dopaminergic dyskinesia
 * Parkinson's disease
 * Focal lesions of the [[BG|basal ganglia] (perinatal encephalopathy)
 * Striatal damage in streptococcal infection
 * Chorea in pregnancy

Treatment
Antidopaminergic treatment with neuroleptics.

Related articles

 * Extrapyramidal syndromes
 * Hypokinetic extrapyramidal syndromes
 * Basal ganglia