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Multiple sclerosis: a serial study using MRI in relapsing patients.

C Isaac1, D K Li, M Genton

  • 1Department of Medicine, Health Sciences Centre Hospital, University of British Columbia, Vancouver, Canada.

Neurology
|October 1, 1988
PubMed
Summary
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Magnetic resonance imaging (MRI) detected significantly more disease activity in multiple sclerosis (MS) patients than clinical evaluations. This highlights MRI

Area of Science:

  • Neuroimaging
  • Neurology
  • Clinical Research

Background:

  • Relapsing-remitting multiple sclerosis (MS) is characterized by unpredictable disease activity.
  • Assessing disease progression and treatment efficacy requires sensitive monitoring methods.

Observation:

  • Prospective monthly MRI scans were conducted over six months in seven MS patients.
  • Neurologic evaluations were performed concurrently to compare detection sensitivity.
  • Four patients remained clinically stable, while three experienced five relapses.

Findings:

  • MRI revealed 18 new and 10 enlarging lesions in five patients, mostly small (<10 mm) and clinically silent.
  • Two patients showed major enlarging lesions that evolved over time.
  • 47% of follow-up scans (17/36) indicated disease activity, with 36% (13/36) showing new lesions.

Related Experiment Videos

Implications:

  • MRI is substantially more sensitive than clinical assessment for detecting MS disease activity.
  • Subtle, clinically silent MRI lesions may represent ongoing inflammatory processes.
  • Enhanced MRI monitoring could refine understanding of MS pathogenesis and inform treatment strategies.