Cycloid psychosis is a disorder defined by episodic, acute psychoses involving thought, affect, and motor disturbances with polymorphous symptomatology followed by periods of full remission. Antipsychotics, benzodiazepines, and electroconvulsive therapy have been used empirically in acute treatment. This disorder has faced nosologic challenges and is not yet identified as a diagnostic entity by the Diagnostic and Statistical Manual of Mental Disorders (DSM). Questions remain as to whether cycloid psychosis is a primary psychotic or primary affective disorder, given that its course and episodicity are like that of affective disorders, while its clinical manifestations include prominent psychotic symptoms. This report describes the case of a 38-year-old male with classic features of cycloid psychosis and highlights the unique characteristics that distinguish cycloid psychosis from other similar diagnoses.
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This paper deals with the history and epistemology of acute polymorphic psychosis. We undertook a comparative study of short-lived psychotic disorders used in different European countries since the late nineteenth century. The theory of degeneration offered a speculative basis to conceptualization of conditions such as , cycloid psychosis and reactive psychosis, but it seems likely that different factors contributed to the profusion of clinical concepts with adverse effects on both nomenclature and classification.
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Department of Psychiatry, University of Cambridge, Cambridge, UK.
Background: Prader-Willi syndrome (PWS) is a rare and complex neurodevelopmental disorder resulting from absent paternal expression of maternally imprinted genes at chromosomal locus 15q11-13. This absence of expression occurs as a consequence of a deletion on the chromosome 15 of paternal origin (ca. 70%), a chromosome 15 maternal uniparental disomy (mUPD; ca.
View Article and Find Full Text PDFDiagnosis and Management of Perimenstrual Cycloid Motility Psychosis.
Harv Rev Psychiatry
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From Department of Psychiatry and Behavioral Sciences, Vanderbilt University Medical Center, Nashville, TN (Drs. Weyhaupt and Ward); Vanderbilt University School of Medicine (Ms. Hardcastle); Department of Obstetrics and Gynecology, Vanderbilt University Medical Center, Nashville, TN (Dr. Jesse); Harvard Medical School and Cambridge Health Alliance, Cambridge, MA (Dr. Almeida).
Mood Disorder or Psychotic Disorder? Yes: A Case Report on Cycloid Psychosis.
J Psychiatr Pract
July 2023
HSIUNG and SKIKIC: Department of Psychiatry and Behavioral Sciences, Vanderbilt University Medical Center, Nashville, TN.
Cycloid psychosis is a disorder defined by episodic, acute psychoses involving thought, affect, and motor disturbances with polymorphous symptomatology followed by periods of full remission. Antipsychotics, benzodiazepines, and electroconvulsive therapy have been used empirically in acute treatment. This disorder has faced nosologic challenges and is not yet identified as a diagnostic entity by the Diagnostic and Statistical Manual of Mental Disorders (DSM).
View Article and Find Full Text PDFAssociation between free thyroxine levels and clinical phenotype in first-episode psychosis: a prospective observational study.
PeerJ
June 2023
Department of Mental Health, Hospital de Mataró, Consorci Sanitari del Maresme, Mataró, Spain.
Aim: To determine whether thyroid hormone levels are associated with a specific clinical phenotype in patients with first-episode psychosis (FEP).
Methods: Ninety-eight inpatients experiencing FEP and with less than 6 weeks of antipsychotic treatment were included in the study and were followed up for one year. Baseline psychiatric evaluation included assessment of prodromal symptoms, positive and negative symptoms, depressive symptoms, stressful life events and cycloid psychosis criteria.
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