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  • Title: Typical linear radial periventricular enhancement in a patient with glial fibrillary acidic protein (GFAP) astrocytopathy.
    Author: Lin J, Lu L, Li J.
    Journal: Neurol Sci; 2022 Apr; 43(4):2895-2897. PubMed ID: 35146565.
    Abstract:
    OBJECTIVE: We describe an unusual case of corticosteroid-responsive autoimmune meningoencephalomyelitis with linear perivascular gadolinium enhancement but in the absence of anti- glial fibrillary acidic protein (GFAP) antibodies (ABs) in the cerebral spinal fluid (CSF). METHODS: The patient's clinical symptoms, brain magnetic resonance imaging (MRI) features, serum and CSF analysis and treatment were reviewed. RESULTS: A 47-year-old female experienced a subacute course with bilateral lower limbs weakness, unsteady walking, and dysuria. Brain MRI revealed typical radial perivascular gadolinium enhancement extending from the lateral ventricles to the white matter; MRI spine revealed lesions distributed in the entire spinal cord. Immunohistochemical staining of a brain biopsy revealed CD3+ T cells and CD20+ B cells cuffing around brain vessels, accompanied by CD68+ macrophages. CSF was negative for anti-GFAP ABs while serum was positive for anti-GFAP ABs (1:100). The patient responded well to corticosteroid. CONCLUSIONS: There are no uniform diagnostic criteria for autoimmune GFAP astrocytopathy. Our case suggested the importance of typical MRI findings in the diagnosis of this rare disease. Early treatments are very important to alleviate symptoms.
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