MRI Findings in Late-Onset Multiple Sclerosis; a Systematic Review and Meta-Analysis

1Amirreza Naseri, 1Ehsan Nasiri, 2Mohammad Ali Sahraian, 3Sara Daneshvar, 3Mahnaz Talebi 1Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran; 2Sina MS Research Center, Sina hospital, and department of neurology, Tehran University of Medical Sciences,, Tehran, Iran; 3Neurosciences Research Center (NSRC), Tabriz University of Medical Sciences, Tabriz, Iran Background: Multiple sclerosis (MS) commonly affects…