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Related Concept Videos

Multiple Sclerosis l: Introduction01:19

Multiple Sclerosis l: Introduction

Multiple sclerosis is a chronic autoimmune disease of the central nervous system (CNS) that affects the brain, spinal cord, and optic nerves. It is an inflammatory demyelinating disorder and a leading cause of neurological disability in young adults.EpidemiologyMS commonly begins between 20 and 40 years of age and is twice as common in women. Its exact cause remains unclear, but genetic susceptibility contributes, with higher risk in first-degree relatives and identical twins. A greater...
Encephalitis ll: Pathophysiology01:26

Encephalitis ll: Pathophysiology

Encephalitis is inflammation of the brain parenchyma caused by direct viral invasion or immune-mediated mechanisms triggered by infections or tumors. Both processes lead to neuronal injury, disrupted neurotransmission, and diverse neurological symptoms, often with overlapping clinical and pathological features.Autoimmune EncephalitisIn autoimmune encephalitis, antibodies target neuronal antigens on cell surfaces, synapses, or within neurons. A key example is anti-NMDAR encephalitis, which can...
Nervous Tissue: Myelin01:25

Nervous Tissue: Myelin

The myelin sheath is a multilayered lipid and protein covering that insulates the axon of a neuron, enhancing the speed of nerve impulse conduction. Axons without this sheath are referred to as unmyelinated. Two types of neuroglia, Schwann cells in the peripheral nervous system (PNS) and oligodendrocytes in the central nervous system (CNS) are responsible for producing myelin sheaths.
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Disorders of the Nervous Tissue

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Peripheral Nervous System: Ganglia and Nerves01:24

Peripheral Nervous System: Ganglia and Nerves

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Related Experiment Video

Updated: Jun 1, 2026

Scoring Central Nervous System Inflammation, Demyelination, and Axon Injury in Experimental Autoimmune Encephalomyelitis
08:17

Scoring Central Nervous System Inflammation, Demyelination, and Axon Injury in Experimental Autoimmune Encephalomyelitis

Published on: February 23, 2024

[Demyelinating disease affecting both central and peripheral nervous system].

C Carra-Dallière1, A Mania, B Carlander

  • 1Service de neurologie, CHU de Montpellier, hôpital Gui de Chauliac, 80, avenue Augustin-Flîche, 34295 Montpellier cedex 5, France.

Revue Neurologique
|May 21, 2011
PubMed
Summary

A rare inflammatory disease affects both the central and peripheral nervous systems. This condition, distinct from multiple sclerosis, presents unique cerebrospinal fluid findings.

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Area of Science:

  • Neuroimmunology
  • Neurology

Background:

  • Demyelinating diseases rarely affect both central and peripheral nervous systems simultaneously.
  • Investigating rare neurological disorders is crucial for understanding disease mechanisms.

Observation:

  • A 30-year-old male presented with ataxia and areflexia due to polyneuropathy, fulfilling demyelination criteria.
  • The patient had a history of central nervous system demyelination consistent with multiple sclerosis.
  • Initial treatment with intravenous immunoglobulin provided transient improvement, followed by stabilization with methotrexate.

Findings:

  • The case suggests a novel inflammatory disease impacting both central and peripheral nervous systems.
  • Distinguishing features include high cerebrospinal fluid protein (hyperproteinorachia) and the absence of oligoclonal bands.
  • This presentation differs from typical multiple sclerosis and chronic immune demyelinating polyneuropathy.

Implications:

  • This case highlights a potentially new inflammatory demyelinating disease entity.
  • Further research is needed to characterize this condition and differentiate it from established neurological disorders.
  • Understanding such rare diseases expands diagnostic criteria and therapeutic strategies in neuroimmunology.