Existence of Huntington-like disorders makes differential diagnosis essential. It can be performed to distinguish Huntington's disease from other clinically similar syndromes. Misdiagnosis of HD is made in 1% of cases because genetic tests do not confirm the diagnosis.

 

 

Chorea differential diagnosis 

 

Differential diagnosis for chorea sign: 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Phenocopies

 

Syndromes with HD clinical picture are called phenocopies. Should chorea be prominent symptom, history must be taken because other disorders can cause choreatic syndromes.