Posts tagged: aqp

Introduction: idiopathic acute transverse myelitis (ATM) is clinically characterized by partial or complete spinal cord syndromes, variable remission rate and a monophasic or recurrent clinical course. Partial forms are traditionally associated with Multiple Sclerosis (MS) while complete myelitis to neuromyelitis optica (NMO). The discovery of an antibody called anti-AQP4 was an important tool to differentiate these two conditions.

Objetive: To demonstrate the occurrence of intractable hiccup and nausea (IHN) as first symptoms in Neuromyelitis optica (NMO) patients who developed cervical myelitis. Background: IHN are unique symptoms of NMO, which is a neurological disorder mainly characterized by optic neuritis and myelitis. Methods: We reviewed the medical records of 25 cases of relapsing NMO seen at the Ramos Mejia Hospital in Argentina during the period from 2006 to 2010.

Brain oedema is a major clinical problem produced by CNS diseases (e.g.

Neuromyelitis optica (NMO) is an autoimmune disease of the central nervous system characterized by severe demyelinating inflammatory attacks typically affecting the spinal cord and optic nerves. Anti-aquaporin-4(AQP4) serum autoantibodies are present in approximately 70% of NMO patients. Those antibodies probably are pathogenic and the titers are elevated during relapse as compared with those in remission

Background: Neuromyelitis optica (NMO) is a neurological disease characterized by optic neuritis and transverse myelitis with long spinal cord lesion. Recently, NMO-IgG, which recognizes the aquaporin-4 (AQP-4), was identified in sera from patients with NMO. AQP-4 is a water channel expressed in astrocytes and ependymal cells throughout the brain and spinal cord

OBJECTIVE: To characterize factors that contribute to symptomatic narcolepsy and excessive daytime sleepiness in neuromyelitis optica and multiple sclerosis. SETTING: Japanese university hospitals.

Background Neuromyelitis optica spectrum disorders (NMOSD) are severe central nervous system inflammatory demyelinating disorders (CNS IDD) characterized by monophasic or relapsing, longitudinally extensive transverse myelitis (LETM) and/or optic neuritis (ON). A significant proportion of NMOSD patients are seropositive for aquaporin-4 (AQP4) autoantibodies

OBJECTIVE:To investigate the characteristics of the linear lesions and longitudinally extensive spinal cord (LESC) lesions in Chinese patients with neuromyelitis optica (NMO).

Balo’s concentric sclerosis (BCS) is considered to be a rare variant of multiple sclerosis and characterized by alternating rings of demyelinated and preserved myelin layers. The mechanism underlying BCS remains to be elucidated. Recently, occurrence of concentric rings of Balo was described in the brainstem of a patient with neuromyelitis optica (NMO)

Background: Although neuromyelitis optica has been traditionally regarded as a disease without brain involvement, brain abnormalities are not uncommon in patients with neuromyelitis optica-related disorders.Methods: We aimed to characterize the brain magnetic resonance imaging (MRI) abnormalities in neuromyelitis optica spectrum disorder patients who are seropositive for anti-aquaporin-4 autoantibody (AQP4 Ab). Of 236 consecutive patients with inflammatory demyelinating central nervous system diseases, we retrospectively analyzed MRI characteristics of 78 patients who were seropositive for AQP4 Ab.Results: For an average observational period of 6.3 years, 62 patients (79%) had brain lesions on MRI

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