Anti-AMPA-Receptor Encephalitis Presenting as a Rapid-Cycling Bipolar Disorder in a Young Woman with Turner Syndrome

Background. Autoimmune encephalitis is a disorder characterised by the subacute onset of seizures, short-term memory loss, and psychiatric and behavioural symptoms. Initially, it was recognised as a paraneoplastic disorder, but recently a subgroup of patients without systemic cancer was identified....

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Main Authors: Giuseppe Quaranta, Angelo Giovanni Icro Maremmani, Giulio Perugi
Format: Article
Language:English
Published: Wiley 2015-01-01
Series:Case Reports in Psychiatry
Online Access:http://dx.doi.org/10.1155/2015/273192
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author Giuseppe Quaranta
Angelo Giovanni Icro Maremmani
Giulio Perugi
author_facet Giuseppe Quaranta
Angelo Giovanni Icro Maremmani
Giulio Perugi
author_sort Giuseppe Quaranta
collection DOAJ
description Background. Autoimmune encephalitis is a disorder characterised by the subacute onset of seizures, short-term memory loss, and psychiatric and behavioural symptoms. Initially, it was recognised as a paraneoplastic disorder, but recently a subgroup of patients without systemic cancer was identified. Case Description. We describe a 20-year-old woman with Turner syndrome presenting with a treatment-resistant rapid cycling bipolar disorder with cognitive impairment. She was diagnosed with anti-AMPA-receptor encephalitis. She showed marked improvement after starting memantine and valproic acid. Conclusion. This case description emphasises the importance of timely recognition of autoimmune limbic encephalitis in patients with psychiatric manifestations and a possible predisposition to autoimmune conditions, in order to rule out malignancy and to quickly initiate treatment.
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spelling doaj-art-d636446bcafb4d82925a2fb99f5accde2025-02-03T05:51:41ZengWileyCase Reports in Psychiatry2090-682X2090-68382015-01-01201510.1155/2015/273192273192Anti-AMPA-Receptor Encephalitis Presenting as a Rapid-Cycling Bipolar Disorder in a Young Woman with Turner SyndromeGiuseppe Quaranta0Angelo Giovanni Icro Maremmani1Giulio Perugi2Department of Experimental and Clinic Medicine, Section of Psychiatry, University of Pisa, Via Roma 67, 56100 Pisa, ItalyDepartment of Experimental and Clinic Medicine, Section of Psychiatry, University of Pisa, Via Roma 67, 56100 Pisa, ItalyDepartment of Experimental and Clinic Medicine, Section of Psychiatry, University of Pisa, Via Roma 67, 56100 Pisa, ItalyBackground. Autoimmune encephalitis is a disorder characterised by the subacute onset of seizures, short-term memory loss, and psychiatric and behavioural symptoms. Initially, it was recognised as a paraneoplastic disorder, but recently a subgroup of patients without systemic cancer was identified. Case Description. We describe a 20-year-old woman with Turner syndrome presenting with a treatment-resistant rapid cycling bipolar disorder with cognitive impairment. She was diagnosed with anti-AMPA-receptor encephalitis. She showed marked improvement after starting memantine and valproic acid. Conclusion. This case description emphasises the importance of timely recognition of autoimmune limbic encephalitis in patients with psychiatric manifestations and a possible predisposition to autoimmune conditions, in order to rule out malignancy and to quickly initiate treatment.http://dx.doi.org/10.1155/2015/273192
spellingShingle Giuseppe Quaranta
Angelo Giovanni Icro Maremmani
Giulio Perugi
Anti-AMPA-Receptor Encephalitis Presenting as a Rapid-Cycling Bipolar Disorder in a Young Woman with Turner Syndrome
Case Reports in Psychiatry
title Anti-AMPA-Receptor Encephalitis Presenting as a Rapid-Cycling Bipolar Disorder in a Young Woman with Turner Syndrome
title_full Anti-AMPA-Receptor Encephalitis Presenting as a Rapid-Cycling Bipolar Disorder in a Young Woman with Turner Syndrome
title_fullStr Anti-AMPA-Receptor Encephalitis Presenting as a Rapid-Cycling Bipolar Disorder in a Young Woman with Turner Syndrome
title_full_unstemmed Anti-AMPA-Receptor Encephalitis Presenting as a Rapid-Cycling Bipolar Disorder in a Young Woman with Turner Syndrome
title_short Anti-AMPA-Receptor Encephalitis Presenting as a Rapid-Cycling Bipolar Disorder in a Young Woman with Turner Syndrome
title_sort anti ampa receptor encephalitis presenting as a rapid cycling bipolar disorder in a young woman with turner syndrome
url http://dx.doi.org/10.1155/2015/273192
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AT angelogiovanniicromaremmani antiampareceptorencephalitispresentingasarapidcyclingbipolardisorderinayoungwomanwithturnersyndrome
AT giulioperugi antiampareceptorencephalitispresentingasarapidcyclingbipolardisorderinayoungwomanwithturnersyndrome