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Guetta M, Kas A, Aouidad A, Soret M, Allenbach Y, Bordonné M, Oppetit A, Raffin M, Psimaras D, Cohen D, Consoli A. Relevance of Brain 18F-FDG PET Imaging in Probable Seronegative Encephalitis With Catatonia: A Case Report. Front Psychiatry 2021; 12:685711. [PMID: 34177668 PMCID: PMC8219867 DOI: 10.3389/fpsyt.2021.685711] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Accepted: 05/10/2021] [Indexed: 11/13/2022] Open
Abstract
Autoimmune encephalitis (AIE) is a rare, severe, and rapidly progressive encephalopathy, and its diagnosis is challenging, especially in adolescent populations when the presentation is mainly psychiatric. Currently, cerebral 18-fluorodeoxyglucose positron emission tomography (18F-FDG-PET) imaging is not included in the diagnosis algorithm. We describe a 16-year-old patient with probable seronegative encephalitis with catatonia for which several cerebral PET scans were relevant and helpful for diagnosis, treatment decision making, and follow-up monitoring. The patient recovered after 2 years of treatment with etiologic treatment of AIE and treatment of catatonia. This case suggests a more systematic assessment of the clinical relevance of 18F-FDG-PET imaging in probable seronegative AIE.
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Affiliation(s)
- Michaël Guetta
- Department of Child and Adolescent Psychiatry, APHP. SU, Pitié-Salpêtrière Hospital, Paris, France
| | - Aurélie Kas
- Department of Nuclear Medicine, APHP. SU, Pitié-Salpêtrière Hospital, LIB, INSERM U1146, Paris, France
| | - Aveline Aouidad
- Department of Child and Adolescent Psychiatry, APHP. SU, Pitié-Salpêtrière Hospital, Paris, France
| | - Marine Soret
- Department of Nuclear Medicine, APHP. SU, Pitié-Salpêtrière Hospital, LIB, INSERM U1146, Paris, France
| | - Yves Allenbach
- Sorbonne-University, Internal Medecine and Clinical Immunlogy Departement, Paris, France
| | - Manon Bordonné
- University of Lorraine, Department of Nuclear Medicine and Nancyclotep Imaging Platform, CHRU Nancy, Nancy, France
| | - Alice Oppetit
- Department of Child and Adolescent Psychiatry, APHP. SU, Pitié-Salpêtrière Hospital, Paris, France
| | - Marie Raffin
- Department of Child and Adolescent Psychiatry, APHP. SU, Pitié-Salpêtrière Hospital, Paris, France
| | - Dimitri Psimaras
- Department of Neurology, APHP. SU, Pitié-Salpêtrière Hospital, Paris, France
| | - David Cohen
- Department of Child and Adolescent Psychiatry, APHP. SU, Pitié-Salpêtrière Hospital, Paris, France.,CNRS UMR 7222, Institute for Intelligent Systems and Robotics, Sorbonne University, Paris, France.,National Center for Rare Psychiatric Diseases, APHP. SU, Pitié-Salpêtrière Hospital, Paris, France
| | - Angèle Consoli
- Department of Child and Adolescent Psychiatry, APHP. SU, Pitié-Salpêtrière Hospital, Paris, France.,National Center for Rare Psychiatric Diseases, APHP. SU, Pitié-Salpêtrière Hospital, Paris, France
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