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Anti-N-Methyl-D-aspartate Receptor Encephalitis: A Severe, Potentially Reversible Autoimmune Encephalitis
Cai-Yun Liu1, Jie Zhu1,2, Xiang-Yu Zheng1
1Department of Neurology and Neuroscience Center, The First Hospital of Jilin University, Changchun 130021, China.
Abstract:
Anti-N-methyl-D-aspartate receptor (NMDAR) encephalitis is potentially lethal, but it is also a treatable autoimmune disorder characterized by prominent psychiatric and neurologic symptoms. It is often accompanied with teratoma or other neoplasm, especially in female patients. Anti-NMDAR antibodies in cerebrospinal fluid (CSF) and serum are characteristic features of the disease, thereby suggesting a pathogenic role in the disease. Here, we summarize recent studies that have clearly documented that both clinical manifestations and the antibodies may contribute to early diagnosis and multidisciplinary care. The clinical course of the disorder is reversible and the relapse could occur in some patients. Anti-NMDAR encephalitis coexisting with demyelinating disorders makes the diagnosis more complex; thus, clinicians should be aware of the overlapping diseases.
Insights
Anti-N-methyl-D-aspartate receptor (NMDAR) encephalitis is a treatable autoimmune condition with severe symptoms. Early diagnosis and care, guided by clinical signs and NMDAR antibodies, improve outcomes, though relapses can occur.
Area of Science:
- Neurology
- Immunology
- Oncology
Background:
- Anti-N-methyl-D-aspartate receptor (NMDAR) encephalitis is a severe autoimmune neurological disorder.
- It presents with significant psychiatric and neurological symptoms and is often associated with neoplasms, particularly in females.
- The presence of NMDAR antibodies in cerebrospinal fluid (CSF) and serum is a hallmark, indicating their pathogenic role.
Purpose of the Study:
- To review recent findings on Anti-NMDAR encephalitis.
- To highlight the importance of clinical manifestations and antibody detection for diagnosis and management.
- To discuss the potential for reversibility, relapse, and diagnostic challenges posed by coexisting conditions.
Main Methods:
- Literature review of recent studies on Anti-NMDAR encephalitis.
- Analysis of clinical presentations and diagnostic markers (NMDAR antibodies).
- Examination of disease course, treatment implications, and co-occurring disorders.
Main Results:
- Clinical manifestations and NMDAR antibodies are key for early diagnosis and multidisciplinary care.
- The disease course is generally reversible, but relapses are possible.
- Coexistence with demyelinating disorders complicates diagnosis.
Conclusions:
- Early identification and comprehensive care are crucial for managing Anti-NMDAR encephalitis.
- Awareness of potential relapses and overlapping conditions like demyelinating disorders is essential for effective clinical practice.
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