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“I want to kill my mother”

Published online by Cambridge University Press:  01 September 2022

H.T. Tan
H.T. Tan*
Affiliation:
Institute of Mental Health, Psychiatry, Singapore, Singapore

Abstract

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Introduction

The incidence of Anti-NMDA receptor encephalitis is 1.5 per million population per year but it has only been described sporadically in the paediatric population. The median age of onset is 21 years old. In children, seizures, abnormal movements, insomnia, and irritability are more frequently identified than psychosis or abnormal behavior. Early detection and treatment can improve treatment outcomes.

Objectives

Presentation of a case of a paediatric patient with Anti-NMDA receptor encephalitis displaying homicidal behavior towards her family members

Methods

Case report

Results

A 12 year old with no significant past psychiatric and medical history, was brought in by police to the hospital after she attempted to stab her mother with a knife. She had low grade fever, headaches and lethargy prior to presentation. Organic workup revealed serum and CSF anti-nmda receptor to be positive. She received early treatment with steroids and intravenous immunoglobulins and no longer harboured further homicidal ideations.

Conclusions

Initial suspicion of anti-NDMA receptor encephalitis should be raised and early auto-immune workup performed in paediatric patients presenting with acute change in behavior especially in young females with no past medical or psychiatric history

Disclosure

No significant relationships.

Keywords

Anti-NDMA receptor encephalitispaediatric auto immune encephalitishomicidal ideations
Type
Abstract
Information
European Psychiatry , Volume 65 , Special Issue S1: Abstracts of the 30th European Congress of Psychiatry , June 2022 , pp. S699
Creative Commons
Creative Common License - CCCreative Common License - BY
This is an Open Access article, distributed under the terms of the Creative Commons Attribution licence (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted re-use, distribution, and reproduction in any medium, provided the original work is properly cited.
Copyright
© The Author(s), 2022. Published by Cambridge University Press on behalf of the European Psychiatric Association
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