Immune-mediated encephalitis
Thomas Rossor1, Ming Lim1,2
1Children's Neurosciences, Evelina London Children's Hospital at Guy's and St Thomas' NHS Foundation Trust, London, UK.
Insights
Pediatric neurological deterioration often involves immune system dysfunction. This review explores immune-mediated encephalopathies, diagnostic criteria, and advanced molecular tools for better understanding and treatment.
Area of Science:
- Neurology
- Immunology
- Pediatrics
Background:
- Neurological deterioration in children poses diagnostic challenges.
- Dysregulated immune responses are increasingly implicated in various neurological conditions.
- Immune-mediated encephalopathies require specific diagnostic and management strategies.
Purpose of the Study:
- To review current understanding of immune-mediated encephalopathies in children.
- To discuss pediatric-specific diagnostic criteria and testing advancements.
- To explore future directions in diagnosis and treatment.
Main Methods:
- Review of current literature on immune-mediated encephalopathies.
- Analysis of diagnostic criteria and testing methodologies.
- Examination of expanding phenotypes and treatment strategies.
Main Results:
- Immune-mediated encephalopathies encompass a growing spectrum of conditions.
- New antibodies and unique imaging features are being identified.
- Evidence base for managing rare conditions is developing.
Conclusions:
- Early diagnosis and treatment of immune-mediated encephalopathies are crucial.
- Advanced molecular investigations hold promise for future understanding and treatment.
- Multinational consensus and data analysis guide current immune treatments.
Abstract:
A neurological deterioration in a child presents a significant worry to the family and often a diagnostic challenge to the clinician. A dysregulated immune response is implicated in a wide and growing spectrum of neurological conditions. In this review we consider the current paradigms in which immune-mediated encephalopathies are considered; the development of paediatric specific diagnostic criteria that facilitate early consideration and treatment of immune-mediated conditions and the limitations and potential developments in diagnostic testing. We consider the expanding phenotype of myelin oligodendrocyte glycoprotein antibody, the spectrum of virus-associated encephalopathy syndromes, and the strategies that have been employed to build an evidence base for the management of these rare conditions. Looking forward we explore the potential for advanced molecular investigations to improve our understanding of immune-mediated encephalitides and guide future treatment strategies. Recently characterized immune-mediated central nervous system disorders include new antibodies causing previously recognized phenotypes. Aggregation of conditions with similar clinical triggers, and characterization of unique imaging features in virus-associated encephalopathy syndromes. Immune treatment iscurrently guided by meta-analysis of individualized patient data and/or multi-national consensus.
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