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Research Letter

Slowly Expanding Lesions in Pediatric-Onset Multiple Sclerosis

JAMA Neurology 10.1001/jamaneurol.2025.2619

August 11, 2025 at 11:00 AM EDT

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This cohort study examines the association between slowly expanding lesions and pediatric-onset multiple sclerosis among younger individuals, focusing on brain growth and disability progression.

Corresponding Author: Yael Hacohen, MD, PhD, Queen Square Multiple Sclerosis Centre, UCL Queen Square Institute of Neurology, Faculty of Brain Sciences, University College London. 10-12 Russell Sq, London WC1B 5EH, United Kingdom (y.hacohen@ucl.ac.uk).

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