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Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/164792
Anti-MOG encephalitis mimicking small vessel CNS vasculitis
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Objective: To report 2 patients with anti-myelin oligodendrocyte glycoprotein (MOG)-associated encephalitis who were initially misdiagnosed with small vessel primary CNS vasculitis. Methods: Review of symptoms, MRI and neuropathologic features, and response to treatment. MOG antibodies were determined in serum and CSF using a cell-based assay. Results: Symptoms included fever, headache, and progressive mental status changes and focal neurologic deficits. CSF studies revealed lymphocytic pleocytosis, and both patients had abnormal brain MRIs. Brain biopsy samples showed prominent lymphocytic infiltration of the wall of small vessels; these findings initially suggested small vessel CNS vasculitis, and both patients were treated accordingly. Although 1 patient had a relapsing-remitting course not responsive to cyclophosphamide, the other one (also treated with cyclophosphamide) did not relapse. Retrospective assessment of serum and CSF demonstrated MOG antibodies in both cases, and review of biopsy specimens showed absence of fibrinoid necrosis (a pathologic requirement for small vessel CNS vasculitis). Conclusions: Anti-MOG-associated encephalitis can be mistaken for small vessel CNS vasculitis. This is important because the diagnosis of anti-MOG-associated encephalitis does not require brain biopsy and can be established with a serologic test.
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PATTERSON, Kristina, IGLESIAS, Estibaliz, NASRALLAH, Maclean, GONZÁLEZ-ÁLVAREZ, Verónica, SUÑOL, Mariona, ANTON, Jordi, SAIZ HINAREJOS, Albert, LANCASTER, Eric, ARMANGUÉ, Thaís. Anti-MOG encephalitis mimicking small vessel CNS vasculitis. _Neurology. Neuroimmunology & Neuroinflammation_. 2019. Vol. 6, núm. 2, pàgs. 538. [consulta: 23 de gener de 2026]. ISSN: 2332-7812. [Disponible a: https://hdl.handle.net/2445/164792]