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Updated: Sep 16, 2025
Magnetic Resonance Imaging of Multiple Sclerosis at 7.0 Tesla
Published on: February 19, 2021
17-year trends in radiological disease burden of multiple sclerosis at presentation
Millie Taylor1, Omar Alrawashdeh2, Nikos Evangelou3
1Academic Clinical Neurology, Mental Health and Clinical Neurosciences Academic Unit, School of Medicine, University of Nottingham, Nottingham, United Kingdom.
Abstract:
At a population level, MS disease progression appears to have slowed in recent years. This study assessed whether earlier detection of people with potentially milder radiological disease is contributing to these observed trends in MS disease course. The time from MS symptom-onset to the initial brain MRI of the study population alongside the white matter lesion count and volume on this scan had not significantly changed over 17 years (2006 - 2023). The age-related MS Severity Score significantly decreased, and the MS Severity Score remained unchanged throughout the study period. These findings suggest that earlier detection of disease or lower radiological disease burden at presentation do not explain improved outcomes in MS.
Insights
Multiple Sclerosis (MS) disease progression may be slowing. However, earlier detection or milder initial radiological disease in patients with MS does not explain these improved outcomes. Further research is needed.
Area of Science:
- Neurology
- Neuroimmunology
- Radiology
Background:
- Multiple Sclerosis (MS) is a chronic neurological disease.
- Recent observations suggest a potential slowing of MS disease progression at a population level.
- The reasons for this observed trend remain unclear.
Purpose of the Study:
- To investigate if earlier detection of milder radiological disease contributes to the observed trends in MS disease course.
- To analyze changes in the time to initial diagnosis and radiological burden over time.
- To assess the impact of these factors on MS disease severity scores.
Main Methods:
- Retrospective analysis of patient data from 2006 to 2023.
- Evaluation of the time from symptom onset to the first brain MRI.
- Assessment of white matter lesion count and volume on initial MRI scans.
- Calculation and analysis of the age-related MS Severity Score and overall MS Severity Score.
Main Results:
- The time from symptom onset to initial brain MRI did not significantly change over the 17-year study period.
- White matter lesion count and volume on initial MRI scans remained consistent.
- The age-related MS Severity Score significantly decreased, while the overall MS Severity Score was unchanged.
Conclusions:
- Earlier detection of Multiple Sclerosis does not appear to be a primary driver of improved outcomes.
- A lower radiological disease burden at presentation does not explain the observed trends in MS disease course.
- The findings suggest other factors may be responsible for the apparent slowing of MS progression.
