(Abst.) Case of PML under Tecfidera without severe lymphopenia ... on: June 25, 2019, 03:05:52 pm #1 This case seems to be of special interest because dimethyl fumarate-related PML occurred in someone 15 years younger than other cases of PML associated with that drug--"A case of progressive multifocal leucoencephalopathy under dimethyl fumarate without severe lymphopenia or immunosenescence" from Multiple Sclerosis Journal (June 25, 2019):https://journals.sagepub.com/doi/abs/10.1177/1352458519852100 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.