Abstract
Editors' Note: In reference to “Aquaporin-4 antibody–positive cases beyond current diagnostic criteria for NMO spectrum disorders,” Blum et al. describe 2 cases of patients with neuromyelitis optica spectrum disorder detected by cell-based assay but negative on ELISA. Authors Sato et al. answer their questions about aquaporin-4 antibody testing. Verghese presents a case of myoclonus in a patient with type III Gaucher disease. —Megan Alcauskas, MD, and Robert C. Griggs, MD Sato et al.1 described 13 cases of neuromyelitis optica spectrum disorder (NMO-SD) and 3 of those cases had …
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