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Validation of the international MOGAD panel proposed criteria: a single-centre US study

Abstract

Background Myelin oligodendrocyte glycoprotein (MOG) antibody-associated disease (MOGAD) is a demyelinating disorder of the central nervous system. We aimed to evaluate the diagnostic performance of recently proposed MOGAD diagnostic criteria in a real-world patient cohort at a tertiary referral centre.

Methods We identified all patients who were evaluated at Johns Hopkins and were MOG-IgG seropositive by cell-based assay. We retrospectively applied the proposed MOGAD diagnostic criteria.

Results Among the 122 patients included in this study, 109 fulfilled the diagnostic criteria. Of 64 patients with clear positive MOG-IgG titre, 63 patients also satisfied the supporting clinical or MRI features. Of 58 patients with low positive or unknown MOG-IgG titre, 46 met criteria by fulfilment of the supporting features. The medical records were independently reviewed by two investigators with expertise in demyelinating disease, and patients were assigned empirical clinical diagnoses, with agreement with the application of the MOGAD diagnostic criteria in the majority of cases (90%).

Conclusions Our findings support the diagnostic utility of the proposed MOGAD diagnostic criteria. Patients with MOGAD met the supporting clinical or MRI features almost universally, which suggests that the criteria can be used to accurately differentiate MOGAD from mimics with low-titre MOG-IgG seropositivity.

  • neuroimmunology

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