Asymptomatic Optic Nerve Enhancement Persistent in AQP4-IgG Positive NMOSD
Asymptomatic optic nerve enhancement between optic neuritis (ON) attacks occurs predominantly at the site of previous lesions in 17% of patients with aquaporin-4 (AQP4) immunoglobulin G (IgG) neuromyelitis optica spectrum disorder (NMOSD), according to findings published in Neurology. Researchers conducted a retrospective cohort study from 2009 to 2019 at Mayo Clinic to assess optic nerve…