الفهرس 
CATEGORICAL VERSUS DIMENSIONAL CLASSIFICATION OF PSYCHOSISOnly 14 pages are availabe for public view
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Abstract
Background: Growing evidences indicate that there is overlapping between schizophrenia and bipolar disorder in neurobiology, phenomenology or even in changing of diagnosis from schizophrenia to bipolar disorder or vice versa. Psychotic symptoms can be observed during manic or depressive episodes in bipolar disorder. While manic or depressive episodes can be observed between or during psychotic episodes in schizophrenia.
Aim of the Work: To describe delusional types present in both groups of study sample: a group of patients with schizophrenia and a group of patients with bipolar disorder accompanied by psychotic features. To compare between types of delusions in patients with schizophrenia and patients with bipolar disorder accompanied by psychotic features.
Patients and Methods: Cross sectional comparative study. The cases were recruited from inpatient units of the Institute of Psychiatry, Ain Shams University Hospitals. The institute of Psychiatry is located in Eastern Cairo and serves a catchments area of about the third of Greater Cairo. It serves both urban and suburban areas, including areas around Greater Cairo as well. Study period from 1st of October 2017 till 1st of April 2018.
Results: The presence of delusion is positively correlated to higher score of: SANS (in both groups), PANSS (in both groups) and YMRS (in BP accompanied by psychotic features).
Conclusion: Our study’s main interest is to describe types of delusions and to compare them between 2 groups of study: group of SCZ and group of BP accompanied by psychotic features. As regard socio-demographic data, family history of psychiatric illness and clinical variables: there is no statistically significant relation between type of delusions and two studied groups. As regard type of delusion: Delusion of persecution is the commonest delusion in group of SCZ, while delusion of grandiosity is the commonest delusion in group of BP accompanied by psychotic features. Monothematic delusions are frequent in group of BP accompanied by psychotic features more than group of SCZ.