[Schizoaffective psychosis and the lithium therapy of patients suffering from schizoaffective schizophrenia].

The historic aspects of the term "schizo-affective psychoses" is considered. On the basis of the results obtained in therapeutic and prophylactic use of lithium it is concluded that it is today hardly possible to create a homogenous nomenclature of mental diseases and that in the indication for the use of lithium in the treatment of schizo-affective psychoses have to be evaluated for each patient depending on the character of the affective components of the pathological picture.