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Psychotic symptoms in a patient diagnosed with temporal lobe epilepsy and schizoaffective disorder

Published online by Cambridge University Press:  23 March 2020

V. Baena
Affiliation:
Hospital Universitario La Paz, Psychiatry, Madrid, Spain
I. Rubio
Affiliation:
Hospital Universitario La Paz, Psychiatry, Madrid, Spain
B. Rodriguez-Vega
Affiliation:
Hospital Universitario La Paz, Psychiatry, Madrid, Spain
V. Bonan
Affiliation:
Hospital Universitario La Paz, Psychiatry, Madrid, Spain
E. Roman
Affiliation:
Hospital Universitario La Paz, Psychiatry, Madrid, Spain
M.F. Bravo
Affiliation:
Hospital Universitario La Paz, Psychiatry, Madrid, Spain

Abstract

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Introduction

Epilepsy is considered a complex neurological disorder, and its clinical picture can resemble many different cerebral dysfunctions, including those associated to major psychiatric disorders.

Case report

We report the case of a 52-year-old gentleman, with a 30-year history of schizoaffective disorder and of complex partial epilepsy with secondary generalization. He was admitted to an emergency room due to a voluntary overdose with 8 mg of clonazepam. The patient explained how he had recently experienced visual hallucinations and insomnia, symptoms that originally led to the psychotic diagnosis. He had previously presented these symptoms, along with stupor, delusions and lability, as a prodrome of complex motor epileptic decompensations. Thus, he took the overdose not to suffer seizures. After carefully reconstructing the clinical history, psychiatric admissions had shown seizures, and periods of clinical stability had been achieved by regulating antiepileptic medication. Eslicarbazepine and lamotrigine reintroduction, and quetiapine withdrawal, led to symptomatic remission.

Discussion

Epilepsy and major psychiatric disorders show a high comorbidity. There has been an effort to even include epilepsy and psychosis in a unique diagnosis (alternant psychosis). Furthermore, polimorphism and restitutio ad integrum may resemble classic cycloid psychosis. In this case, chronological study showed all symptoms could be explained by one disorder.

Conclusion

Epilepsy includes a variety of neuropsychiatric symptoms. It can be difficult to withdraw psychiatric diagnoses from patients after years of follow-up. However, a carefully taken medical history clarifies temporal criteria.

Disclosure of interest

The authors have not supplied their declaration of competing interest.

Type
EW151
Copyright
Copyright © European Psychiatric Association 2016
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