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An unusual presentation of brief recurrent psychosis: a case report

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Author(s): Sravanti L Sanivarapu | Krishnamurthy CN

Journal: Andhra Pradesh Journal of Psychological Medicine
ISSN 2249-5851

Volume: 13;
Issue: 2;
Start page: 119;
Date: 2012;
Original page

Keywords: Cycloid psychosis | Perris criteria | Leonhard nosology

ABSTRACT
Background: Although the term "zycloiden psychosen" was first used by Karl Kleist in 1926 to group together disorders, which had presented with sudden onset, brief episodic course, polymorphous psychotic symptoms and good inter-episode recovery, its origin can be traced back to 1880s. Despite its existence in the community, for so long, the diagnosis of cycloid psychosis is only seldom made, making it a unique disorder. Hence, there seems to be lack of awareness of this rare entity even among the psychiatrists.Case description: A middle-aged woman with abrupt onset of recurrent brief episodes of psychotic symptoms, and complete inter-episode recovery, was admitted with history of alleged consumption of poison in a state of confusion. During psychotic episodes, motility disturbances were predominant. The current episode lasted for about two weeks.Discussion: This case doesn't satisfy the criteria for schizophrenia or affective illness. Although ICD-10 describes 'acute polymorphic psychotic disorder' (F23.0, F23.1) it requires the presence of typical schizophrenic symptoms for its diagnosis and is usually not recurrent. The closest this case resembles is cycloid psychosis, meeting three of four Perris criteria.Conclusion: The diagnosis of such unusual cases of psychosis predicts the prognosis and helps in assessment and management of future episodes.
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