Journal Article

Clinical and Etiopathogenic Specificities of the French Concept of Psychose Hallucinatoire Chronique Compared to Schizophrenia

Caroline Dubertret, Jean Adès and Philip Gorwood

in Schizophrenia Bulletin

Published on behalf of Maryland Psychiatric Research Center

Volume 30, issue 1, pages 173-184
Published in print January 2004 | ISSN: 0586-7614
Published online January 2004 | e-ISSN: 1745-1701 | DOI: http://dx.doi.org/10.1093/oxfordjournals.schbul.a007061
Clinical and Etiopathogenic Specificities of the French Concept of Psychose Hallucinatoire Chronique Compared to Schizophrenia

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The French concept of psychose hallucinatoire chronique (PHC) is characterized by late-onset psychosis, occurring predominantly in females. Symptoms are rich and frequent hallucinations but almost no dissociative features or negative symptoms. This diagnosis is classified among schizophrenia disorders (paranoid type) according to DSM-IV. PHC may also describe a group of patients with original clinical presentation and etiopathogenic factors. We compared 38 female PHC patients with two groups of female schizophrenia patients, matched for age at interview for the first group (n = 35), and duration of the disorder for the second group (n = 36). PHC subjects were relatively older patients with homogeneous clinical features characterized by predominantly positive symptoms without deterioration and fewer relatives with schizophrenia than schizophrenia patients. This first controlled study underscores clinical, phenomenological, and possibly etiopathogenic factors that characterized the PHC patients, even when the impact of late onset and late age at interview were taken into account. This study provides evidence that PHC may be a possible diagnosis in clinical practice, although it is difficult to reach a conclusion on its relationship with schizophrenia.

Keywords: Late-onset psychosis; schizophrenia; psychose hallucinatoire chronique; age at onset; family history

Journal Article.  0 words. 

Subjects: Child and Adolescent Psychiatry

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