Brain lesions and grey matter on: January 25, 2020, 03:52:38 pm #1 This Website article is very simply presented--probably very much oversimplified--but show some interesting information on MRI lesions for the uninformed. From MSMindShift.com (a Celgene Website, Celgene being a pharmaceutical company), "Brain Lesions and Grey Matter":https://www.msmindshift.com/ms-lesions-and-grey-matter/ Logged MS Speaks--online for 20 yearsSPMS, diagnosed 1980. Avonex 2001-2004. Copaxone 2007-2010. Glatopa (glatiramer acetate 40mg 3 times/week) 12/16/20 - 3/16/24.