[A case of affective disorder with psychotic symptoms as late manifestation of Huntington's Chorea].

We report about a woman of 60 years who received psychiatric inpatient treatment for an affective disorder with psychotic symptoms on several occasions. As time elapsed symptoms of dementia became more and more obvious. Despite a comprehensive workup with neuroimaging methods (SPECT, PET) the correct diagnosis of Huntington's Chorea was not attained until the characteristic movements appeared.