What type of study is this?

This is a Quantitative Study study.

September 17, 2025

Cervical spinal cord cross-sectional area correlates with myelin water fraction in progressive multiple sclerosis

IVIrene M. VavasourUniversity of British Columbia SBSharada BalajiUniversity of British Columbia CLCornelia LauleUniversity of British Columbia

Key Points

Myelin water fraction at C2-C3 correlated with cross-sectional area in progressive multiple sclerosis.
Assessment involved 28 MS patients and 19 controls scanned using advanced MRI techniques at 3T.
Findings highlight a potential connection between myelin loss and spinal cord atrophy.
The study suggests differentiating reversible demyelination from irreversible axonal loss could inform treatment.

Abstract

Motivation: Advanced MRI techniques may give insight into the mechanisms leading to spinal cord atrophy in multiple sclerosis (MS). Goal(s): To assess myelin damage in relation to cross-sectional area (CSA) in MS cervical cord. Approach: 28 people living with MS and 19 controls were scanned between C1-C5 at 3T using CALIPR. Spinal Cord Toolbox was used to determine CSA and mean MWF at C2-C3. Results: Myelin water fraction at C2-C3 was correlated with cross-sectional area in progressive multiple sclerosis, indicating a possible link between myelin loss and cord atrophy. Impact: By examining both cross-sectional area and myelin water fraction in multiple sclerosis spinal cord, we may be able to differentiate volume loss due to potentially reversible demyelination from irreversible axonal loss.

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