Huntington's cohrea is neurodegenerative disorder with high incidence of different psychiatric symptomathology including mood symptoms, dementia and psychotic symptoms. Very often psychic symptoms come before the typical motor symptoms. This paper demonstrates difficulties in diagnostic process for Huntington's chorea in the case when psychiatric symptoms come before the motor symptoms. We should take in account neurodegenerative disorder in the case of psychiatric disorder with atypical clinical pictures without adequate response on standard treatment.
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