A single-center retrospective series of OCT and MRI findings in pediatric MOGAD optic neuritis patients.

Background: Whether optical computed tomography (OCT) and magnetic resonance imaging (MRI) findings are associated with final visual acuity in children with myelin oligodendrocyte glycoprotein antibody disease (MOGAD) optic neuritis is unclear.
Methods: We retrospectively reviewed the charts of pediatric patients with MOGAD optic neuritis seen at St. Louis Children's Hospital/Barnes Jewish Hospital since 2016.
Results: In the 12 patients in this study, presenting visual acuity was worse in the optic neuritis-affected eyes but significantly improved from presentation to follow-up, such that, at last follow-up, there was no longer a statistical difference between the affected and unaffected eyes. The number of affected eyes with nerve enhancement and the amount of optic nerve affected, as well as thickness of the retinal nerve fiber layer (RNFL), ganglion cell layer (GCL), and macula, decreased from presentation to follow-up. Ultimately, none of these variables were associated with final visual acuity.
Conclusion: In this cohort, pediatric MOGAD optic neuritis patients had positive visual outcomes despite significant RNFL thinning and involvement of the optic nerve on MRI, leading to a lack of correlation between follow-up visual acuity and OCT and MRI measures of disease severity, respectively.
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