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A Simple Cell-based Immunofluorescence Assay to Detect Autoantibody Against the N-Methyl-D-Aspartate NMDA Receptor in Blood
Published on: January 9, 2018
[Anti-N-Methyl-D-aspartate receptor encephalitis (anti-NMDAR): a case report]
Paulina González-Latapi1, Mayela Rodríguez-Violante2, Amin Cervantes-Arriaga1
1Laboratorio Clínico de Enfermedades Neurodegenerativas, Instituto Nacional de Neurología y Neurocirugía, México, D.F.
Abstract:
Anti-N-methyl-D-aspartate receptor encephalitis (anti-NMDAR) is an autoimmune disorder characterized by neuropsychiatric symptoms, hyperkinetic movements, and even central hypoventilation. Anti-NMDAR encephalitis is a recently described disease, but is already considered one of the most frequent etiologies of noninfectious encephalitis. We report the case of 16-year-old man in which it the presence of anti-NMDAR antibodies in the absence of a neoplasm was identified. Disease course and gradual recovery, as well as a brief review of the syndrome, is presented. To our knowledge this is the first proven case of anti-NMDAR encephalitis in Mexico.
Insights
Anti-N-methyl-D-aspartate receptor (anti-NMDAR) encephalitis is an autoimmune disease. This case report details the first confirmed instance in Mexico of anti-NMDAR encephalitis in a teenager without a neoplasm.
Area of Science:
- Neurology
- Immunology
- Autoimmune Disorders
Background:
- Anti-N-methyl-D-aspartate receptor (anti-NMDAR) encephalitis is a significant cause of noninfectious encephalitis.
- It presents with diverse neuropsychiatric symptoms, movement disorders, and autonomic dysfunction.
Observation:
- A case study of a 16-year-old male diagnosed with anti-NMDAR encephalitis is presented.
- The diagnosis was confirmed by the presence of anti-NMDAR antibodies.
- No associated neoplasm was identified in this patient.
Findings:
- The patient experienced a gradual recovery following diagnosis.
- This represents the first documented case of anti-NMDAR encephalitis in Mexico.
Implications:
- Highlights the importance of recognizing anti-NMDAR encephalitis in adolescents presenting with neurological and psychiatric symptoms.
- Emphasizes that anti-NMDAR encephalitis can occur in the absence of malignancy.
- Contributes to the understanding of the geographical distribution and clinical presentation of this autoimmune disorder.
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