Aquaporin-4 antibody-positive myelitis initially biopsied for suspected spinal cord tumors: Diagnostic considerations. Sato D K, Misu T, Rocha C F, Callegaro D, Nakashima I, Aoki M, Fujihara K, Lana-Peixoto M A Mult Scler. 2013 Sep 12. PMID: 24029914. Abstract CommentRecommendBookmarkWatch