Positron emission tomography in patients with psychogenic non-epileptic seizures

Aileen McGonigal,1–3 Marie Arthuis,3 Jean-Arthur Micoulaud-Franchi,4,5 Fabrice Bartolomei,1–3 Eric Guedj6–8 1Institut de Neurosciences des Systèmes, INSERM UMR 1106, Marseille, France; 2Aix Marseille University, Faculty of Medicine, Marseille, France; 3Clini...

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Autores principales:	McGonigal A, Arthuis M, Micoulaud-Franchi JA, Bartolomei F, Guedj E
Formato:	article
Lenguaje:	EN
Publicado:	Dove Medical Press 2016
Materias:	PET psychogenic non-epileptic seizures PNES conversion disorder resting state brain metabolism Neurosciences. Biological psychiatry. Neuropsychiatry RC321-571 Neurology. Diseases of the nervous system RC346-429
Acceso en línea:	https://doaj.org/article/2b6d5568c030413a88b979af946ef8d3
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spelling	oai:doaj.org-article:2b6d5568c030413a88b979af946ef8d32021-12-02T02:00:13ZPositron emission tomography in patients with psychogenic non-epileptic seizures1178-2021https://doaj.org/article/2b6d5568c030413a88b979af946ef8d32016-04-01T00:00:00Zhttps://www.dovepress.com/positron-emission-tomography-in-patients-with-psychogenic-non-epilepti-peer-reviewed-article-NDThttps://doaj.org/toc/1178-2021Aileen McGonigal,1–3 Marie Arthuis,3 Jean-Arthur Micoulaud-Franchi,4,5 Fabrice Bartolomei,1–3 Eric Guedj6–8 1Institut de Neurosciences des Systèmes, INSERM UMR 1106, Marseille, France; 2Aix Marseille University, Faculty of Medicine, Marseille, France; 3Clinical Neurophysiology Department, Timone Hospital, Marseille, France; 4Department of Functional Investigation of the Nervous System, Sleep Clinic, Bordeaux University Hospital, Bordeaux, France; 5USR CNRS 3413, University of Bordeaux, France; 6Biophysics and Nuclear Medicine Department, Timone Hospital, Marseille, France; 7Aix-Marseille University, CERIMED, Marseille, France; 8Aix-Marseille University, CNRS, UMR7289, INT, Marseille, FranceWe have read with interest the recent review entitled “Uncovering the etiology of conversion disorder: insights from functional neuroimaging” by Maryam Ejareh dar and Richard AA Kanaan,1 published in Neuropsychiatric Disease and Treatment. Our paper on resting state brain metabolism measured by positron emission tomography (PET) was included and discussed.2 We were most surprised to see that the authors of the review seem to have misunderstood the findings of our study, which concerned patients with psychogenic non-epileptic seizures (PNES). The authors state that the 16 patients included in our study “were later found to have PNES with comorbid epilepsy”. This is incorrect, since our study included only patients with PNES in whom comorbid epilepsy was excluded. This crucial point is indeed detailed in the Methods section of our article and clearly stated in the abstract: “in all patients, the diagnosis was subsequently confirmed to be PNES with no coexisting epilepsy.” It is thus on the basis of incorrect understanding of our results that Drs Ejareh dar and Kanaan discuss the possible significance of hypometabolism in the anterior cingulate region described in our paper, and erroneously suggest that interpretation of PET findings is complicated by coexistent epilepsy, which was not in fact the case.Read the original article. McGonigal AArthuis MMicoulaud-Franchi JABartolomei FGuedj EDove Medical PressarticlePETpsychogenic non-epileptic seizuresPNESconversion disorderresting statebrain metabolismNeurosciences. Biological psychiatry. NeuropsychiatryRC321-571Neurology. Diseases of the nervous systemRC346-429ENNeuropsychiatric Disease and Treatment, Vol 2016, Iss Issue 1, Pp 777-778 (2016)
institution	DOAJ
collection	DOAJ
language	EN
topic	PET psychogenic non-epileptic seizures PNES conversion disorder resting state brain metabolism Neurosciences. Biological psychiatry. Neuropsychiatry RC321-571 Neurology. Diseases of the nervous system RC346-429
spellingShingle	PET psychogenic non-epileptic seizures PNES conversion disorder resting state brain metabolism Neurosciences. Biological psychiatry. Neuropsychiatry RC321-571 Neurology. Diseases of the nervous system RC346-429 McGonigal A Arthuis M Micoulaud-Franchi JA Bartolomei F Guedj E Positron emission tomography in patients with psychogenic non-epileptic seizures
description	Aileen McGonigal,1–3 Marie Arthuis,3 Jean-Arthur Micoulaud-Franchi,4,5 Fabrice Bartolomei,1–3 Eric Guedj6–8 1Institut de Neurosciences des Systèmes, INSERM UMR 1106, Marseille, France; 2Aix Marseille University, Faculty of Medicine, Marseille, France; 3Clinical Neurophysiology Department, Timone Hospital, Marseille, France; 4Department of Functional Investigation of the Nervous System, Sleep Clinic, Bordeaux University Hospital, Bordeaux, France; 5USR CNRS 3413, University of Bordeaux, France; 6Biophysics and Nuclear Medicine Department, Timone Hospital, Marseille, France; 7Aix-Marseille University, CERIMED, Marseille, France; 8Aix-Marseille University, CNRS, UMR7289, INT, Marseille, FranceWe have read with interest the recent review entitled “Uncovering the etiology of conversion disorder: insights from functional neuroimaging” by Maryam Ejareh dar and Richard AA Kanaan,1 published in Neuropsychiatric Disease and Treatment. Our paper on resting state brain metabolism measured by positron emission tomography (PET) was included and discussed.2 We were most surprised to see that the authors of the review seem to have misunderstood the findings of our study, which concerned patients with psychogenic non-epileptic seizures (PNES). The authors state that the 16 patients included in our study “were later found to have PNES with comorbid epilepsy”. This is incorrect, since our study included only patients with PNES in whom comorbid epilepsy was excluded. This crucial point is indeed detailed in the Methods section of our article and clearly stated in the abstract: “in all patients, the diagnosis was subsequently confirmed to be PNES with no coexisting epilepsy.” It is thus on the basis of incorrect understanding of our results that Drs Ejareh dar and Kanaan discuss the possible significance of hypometabolism in the anterior cingulate region described in our paper, and erroneously suggest that interpretation of PET findings is complicated by coexistent epilepsy, which was not in fact the case.Read the original article.
format	article
author	McGonigal A Arthuis M Micoulaud-Franchi JA Bartolomei F Guedj E
author_facet	McGonigal A Arthuis M Micoulaud-Franchi JA Bartolomei F Guedj E
author_sort	McGonigal A
title	Positron emission tomography in patients with psychogenic non-epileptic seizures
title_short	Positron emission tomography in patients with psychogenic non-epileptic seizures
title_full	Positron emission tomography in patients with psychogenic non-epileptic seizures
title_fullStr	Positron emission tomography in patients with psychogenic non-epileptic seizures
title_full_unstemmed	Positron emission tomography in patients with psychogenic non-epileptic seizures
title_sort	positron emission tomography in patients with psychogenic non-epileptic seizures
publisher	Dove Medical Press
publishDate	2016
url	https://doaj.org/article/2b6d5568c030413a88b979af946ef8d3
work_keys_str_mv	AT mcgonigala positronemissiontomographyinpatientswithpsychogenicnonepilepticseizures AT arthuism positronemissiontomographyinpatientswithpsychogenicnonepilepticseizures AT micoulaudfranchija positronemissiontomographyinpatientswithpsychogenicnonepilepticseizures AT bartolomeif positronemissiontomographyinpatientswithpsychogenicnonepilepticseizures AT guedje positronemissiontomographyinpatientswithpsychogenicnonepilepticseizures
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Positron emission tomography in patients with psychogenic non-epileptic seizures

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