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  • Title: Marked central canal T2-hyperintensity in MOGAD myelitis and comparison to NMOSD and MS.
    Author: Webb LM, Cacciaguerra L, Krecke KN, Chen JJ, Sechi E, Redenbaugh V, Dubey D, Pittock SJ, Flanagan EP.
    Journal: J Neurol Sci; 2023 Jul 15; 450():120687. PubMed ID: 37201267.
    Abstract:
    OBJECTIVE: To assess marked central canal T2-hyperintensity in patients with myelin-oligodendrocyte glycoprotein antibody-associated disease (MOGAD) myelitis compared to myelitis patients with aquaporin-4-antibody-positive neuromyelitis optica spectrum disorder (AQP4 + NMOSD) and multiple sclerosis (MS). MATERIAL/METHODS: Two blinded raters evaluated spinal cord magnetic resonance imaging (MRIs) of myelitis patients with MOGAD (n = 63), AQP4 + NMOSD (n = 37), and MS (n = 26), assessing for marked central canal T2-hyperintensity and its evolution. If there were conflicting results, a third neurologist assessed the MRI. RESULTS: Marked central canal T2-hyperintensity was more frequent in patients with MOGAD (18/63[29%]) than MS (1/26[4%]; p = 0.01) myelitis but did not differ from AQP4 + NMOSD (13/37[35%]; p = 0.49). Marked central canal T2-hyperintensity had completely resolved on follow-up axial MRI for most MOGAD (12/14[86%]) and AQP4 + NMOSD (10/10[100%]; p = 0.49) patients. CONCLUSIONS: Marked central canal T2-hyperintensity is a common transient radiologic accompaniment of MOGAD and AQP4 + NMOSD myelitis, but not MS myelitis.
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