Neurology · 2026
Frequency of AQP4 and MOG Antibodies in Patients With Optic Neuritis Fulfilling Minimal New Multiple Sclerosis MRI Criteria.
СтатьяМногоцентровое исследованиеНазвание и аннотация: Перевод в очереди
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Deschamps Romain, Papeix Caroline, Demortiere Sarah, Lardeux Pierre, Boudot De La Motte Marine, Pique Julie, Boutiere Clemence, Duron Loïc, Chaugne Emeline, Maarouf Adil, Froment Tilikete Caroline, Marignier Romain, Audoin Bertrand
Аннотация
OBJECTIVES: Recent revisions to multiple sclerosis (MS) diagnostic criteria include the optic nerve as a site of dissemination in space, enabling this diagnosis in patients with acute optic neuritis (ON) and a single additional MS-typical location on MRI if dissemination in time (DIT) is demonstrated. We aimed to assess the frequency of non-MS diagnoses in this context.
METHODS: We retrospectively analyzed consecutive patients with inaugural acute ON and at least 1 MS-typical lesion in a single brain location on baseline MRI across 3 French centers. All patients met DIT criteria and underwent aquaporin-4 (AQP4) and myelin oligodendrocyte glycoprotein (MOG) antibody testing. Final diagnoses were based on clinical, radiologic, and follow-up data.
RESULTS: Among 96 patients (mean age 35.8 years; 70.8% female), 73 (76.0%) were diagnosed with MS and 23 (24.0%) with MOG antibody-associated disease (n = 18) or neuromyelitis optica spectrum disorder. Longitudinally extensive lesions, bilateral involvement, chiasmal enhancement, or optic perineuritis were observed in 100% of non-MS patients and 24.6% of patients with MS (difference 75.4%, 95% CI: 64.3-86.6; p < 0.001). All patients without these patterns were ultimately diagnosed with MS.
DISCUSSION: AQP4 and MOG antibody testing, along with careful orbital MRI interpretation, is recommended in patients with ON meeting minimal new MS criteria.
METHODS: We retrospectively analyzed consecutive patients with inaugural acute ON and at least 1 MS-typical lesion in a single brain location on baseline MRI across 3 French centers. All patients met DIT criteria and underwent aquaporin-4 (AQP4) and myelin oligodendrocyte glycoprotein (MOG) antibody testing. Final diagnoses were based on clinical, radiologic, and follow-up data.
RESULTS: Among 96 patients (mean age 35.8 years; 70.8% female), 73 (76.0%) were diagnosed with MS and 23 (24.0%) with MOG antibody-associated disease (n = 18) or neuromyelitis optica spectrum disorder. Longitudinally extensive lesions, bilateral involvement, chiasmal enhancement, or optic perineuritis were observed in 100% of non-MS patients and 24.6% of patients with MS (difference 75.4%, 95% CI: 64.3-86.6; p < 0.001). All patients without these patterns were ultimately diagnosed with MS.
DISCUSSION: AQP4 and MOG antibody testing, along with careful orbital MRI interpretation, is recommended in patients with ON meeting minimal new MS criteria.