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When Mrs G presented to the emergency room, clinical examination with transverse spinal cord syndrome, magnetic resonance imaging, and her complete clinical remission after plasmapheresis as well as lack of response to treatment pointed to longitudinally extensive transverse myelitis, representing an inaugural or limited form of neuromyelitis optica. The diagnosis was confirmed by detection of anti-aquaporin 4 (AQP4) antibodies.


Neuromyelitis optica (NMO) is a severe inflammatory CNS disorder of putative autoimmune aetiology, which predominantly affects the spinal cord and optic nerves. Recently, a highly specific serum reactivity to CNS microvessels, subpia and Virchow–Robin spaces was described in patients with NMO [called NMO–IgG (NMO–immunoglobulin G)]


BACKGROUND: Antibodies to aquaporin-4 (AQP4-Ab) are found in 60-80% of patients with neuromyelitis optica (NMO), a severely disabling inflammatory CNS disorder of putative autoimmune aetiology, which predominantly affects the optic nerves and spinal cord.OBJECTIVE: To assess the frequency of AQP4-Ab in patients with optic neuritis (ON), and to investigate the prognostic implications of AQP4-Ab seropositivity in such patients.


BACKGROUND: Neuromyelitis optica (NMO) is a rare inflammatory disease. Average age at onset is 35 years


Background and Objective: Our objective was to characterize the clinical and radiologic features of Korean pediatric patients with relapsing central nervous system (CNS) demyelination disease.


Neuromyelitis optica (NMO) is a neurologic disease characterized by severe optic neuritis, longitudinally extended, transverse myelitis and serum aquaporin-4 (AQP4) antibody. Our recent neuropathological study revealed the extensive loss of AQP4 and glial fibrillary acidic protein (GFAP), an astrocyte-specific protein, in NMO lesions, but not in MS lesions, suggesting that severe astrocytic damage or dysfunction may be related to the pathogenesis of NMO. Here we report a patient of NMO, in which the cerebrospinal fluid (CSF) levels of GFAP were measured both during relapse of myelitis and after high-dose intravenous methylprednisolone (HIMP).


OBJECTIVE: To describe a patient with neuromyelitis optica (NMO) whose aquaporin 4 (AQP4) antibody levels increased following treatment with interferon beta. DESIGN: Prospective clinical and laboratory case report. SETTING: Institutional referral center for multiple sclerosis (MS)


PURPOSE: The anti-aquaporin-4 (AQP4) antibody was recently reported to be associated with neuromyelitis optica (NMO). Optic nerve involvements in many NMO cases are bilateral and the prognosis is poor


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