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Comprehensive Autopsy Program for Individuals with Multiple Sclerosis
09:41

Comprehensive Autopsy Program for Individuals with Multiple Sclerosis

Published on: July 19, 2019

[Multiple sclerosis: imaging, diagnostic criteria and differential diagnosis]

I Harting1, J Sellner, U Meyding-Lamadé

  • 1Abteilung Neuroradiologie, Neurologische Klinik, Universitätsklinikum Heidelberg. inga_harting@med.uni-heidelberg.de

Rofo : Fortschritte Auf Dem Gebiete Der Rontgenstrahlen Und Der Nuklearmedizin
|May 14, 2003
PubMed

Insights

Multiple sclerosis (MS) is a central nervous system (CNS) inflammatory disease. Advanced MRI techniques reveal early neuroaxonal damage beyond visible plaques, aiding diagnosis and differentiation.

Area of Science:

  • Neurology
  • Neuroimmunology
  • Radiology

Context:

  • Multiple sclerosis (MS) is the primary demyelinating inflammatory disease affecting the central nervous system (CNS).
  • MS is characterized by multifocal inflammatory lesions (plaques) primarily in the white matter.
  • Traditional Magnetic Resonance Imaging (MRI) visualizes these plaques but may underestimate disease extent.

Purpose:

  • To highlight that visible MS plaques represent only a fraction of the disease's impact.
  • To emphasize the early occurrence of neuroaxonal damage and diffuse brain involvement in MS.
  • To showcase advanced MRI techniques and biomarkers reflecting sub-clinical changes.

Summary:

  • MS involves widespread neuroaxonal damage and diffuse brain parenchyma infiltration, extending beyond macroscopic lesions.
  • Early MS manifestations include T1-weighted hypointense lesions, early-onset atrophy, reduced N-acetylaspartate (NAA), decreased magnetization transfer ratio (MTR), and altered diffusion-weighted imaging (DWI) parameters.
  • These imaging biomarkers indicate sub-clinical pathology in normal-appearing white matter.

Impact:

  • MRI is crucial for diagnosing MS by demonstrating lesion dissemination in space and time.
  • Advanced imaging metrics improve diagnostic specificity and differentiate MS from other white matter disorders.
  • Understanding the full extent of MS pathology aids in developing more effective therapeutic strategies.

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