Author:
Yamakawa Mai,Hogan Keenan O.,Leever John,Jassam Yasir N.
Abstract
Background and ObjectivesTo describe the autopsy findings and neuropathologic evaluation of autoimmune meningoencephalomyelitis associated with glial fibrillary acidic protein (GFAP) antibody.MethodsWe reviewed the clinical course, imaging, laboratory, and autopsy findings of a patient with autoimmune meningoencephalomyelitis associated with GFAP antibody who had a refractory course to multiple immunosuppressive therapies.ResultsThe patient was a 70-year-old man who was diagnosed as GFAP antibody-associated autoimmune meningoencephalomyelitis. MRI of the head showed linear perivascular enhancement in the midbrain and the basal ganglia. Despite treatment with high-dose corticosteroids, plasma exchange, IV immunoglobulins, and cyclophosphamide, he died with devastating neurologic complications. Autopsy revealed a coexistent neuroendocrine tumor in the small intestine and diffuse inflammation in the brain parenchyma, perivascular spaces, and leptomeninges, with predominant T-cells, macrophages, and activated microglia. B-cells and plasma cells were absent. There was no astrocyte involvement with change in GFAP immunostaining.DiscussionThis case illustrates autoimmune meningoencephalomyelitis associated with GFAP antibody in the CSF and coexistent neuroendocrine tumor. The autopsy findings were nonspecific and did not demonstrate astrocyte involvement. Further accumulation of cases is warranted to delineate the utility and pathogenic significance of the GFAP autoantibody.
Publisher
Ovid Technologies (Wolters Kluwer Health)
Subject
Neurology (clinical),Neurology
Cited by
9 articles.
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