[Schizophrenic and schizophrenic-like manifestations in syndrome 47, XYY]

The authors examined 4446 patients in mental hospitals. Among these patients 15 displayed the 47 XYY syndrome and 3 with mosaicism 46 XY/47 XYY. A study of these patients showed that in 5 cases they were qualified as schizophrenic. They were study died from 2-5 years. In 4 cases the diagnosis of schizophrenia was not confirmed. In one case the authors diagnosed the disease as an atypical form of schizophrenia. The clinical traits of the disease in this case are associated with a supplementary Y somasomia.