title: Is the concept of 'schizo-affective psychoses' prognostically of value?
abstract: The concept of 'schizo-affective psychoses' covers favourable as well as unfavourable forms of endogenous psychoses. Thus, it does not help us for a nosological classification which must also allow for the prognosis. In order to make a prognostic distinction we have to subdivide the schizo-affective psychoses into the 'cycloid psychoses' and the 'non-systematic schizophrenias'. Also the latter display affective symptoms and can take a bipolar course, but, despite this, tend to deterioration; they do so increasingly shift after shift, whereas the cycloid psychoses completely recover after every phase. Even during the first phase or shift a reliable differential diagnosis can be made. This has been confirmed by follow-up examinations, as the cycloid psychotics, in fact, had recovered. Only very few misdiagnoses could be detected. If we want to classify prognostically, we must separate the cycloid psychoses from the true schizophrenias.
mesh_terms: D001714:Bipolar Disorder / Q000175:diagnosis; D003937:Diagnosis, Differential; D006801:Humans; D011379:Prognosis; D011618:Psychotic Disorders / Q000175:diagnosis* / Q000523:psychology; D012559:Schizophrenia / Q000175:diagnosis