Differentiating neuromyelitis optica from other causes of longitudinally extensive transverse myelitis on spinal magnetic resonance imaging. Pekcevik Y, Mitchell CH, Mealy MA, Orman G, Lee IH, Newsome SD, Thompson CB, Pardo CA, Calabresi PA, Levy M, et al. Mult Scler. 2015 Jul 24. PMID: 26209588. Abstract CommentRecommendBookmarkWatch