Tumefactive demyelinating disorders as stroke mimics: Description of cases and systematic review of the literature.

Background: tumefactive multiple sclerosis (TmMS) is a rare subtype of a demyelinating disease that develops over time. Cases of hyperacute presentations mimicking cerebrovascular disorders have been reported; however, detailed clinical and demographic data are lacking.

Methods: this study aimed to systematically review the literature on tumefactive demyelinating disorders presenting as strokes.