Clinical and serological study of myasthenia gravis using both radioimmunoprecipitation and cell-based assays in a South Asian population.

Background: Identification of autoantibodies has defined distinct clinico-immuno-pathological subtypes of myasthenia gravis (MG) such as AChR-antibody-positive-MG and MuSK-antibody-positive-MG. The use of more sensitive assays such as the cell-based assay (CBA) is expected to reduce the proportion of seronegative-MG. We studied the seroprevalence of AChR and MuSK antibodies using both radioimmunoprecipitation (RIA) and CBA amongst MG patients in Sri Lanka and related their antibody status to their clinical subtypes and severity.

Hashimoto encephalopathy: clinical and MRI improvement following high-dose corticosteroid therapy.

Introduction: Hashimoto encephalopathy (HE) is an immune-mediated encephalopathy associated with Hashimoto thyroiditis. Most patients with HE respond to corticosteroids. Diffuse or focal white matter changes suggesting primary demyelination on magnetic resonance imaging (MRI) has been reported in only a few patients with HE.

MuSK-antibody-positive myasthenia gravis in a South Asian population.

Background: MuSK-antibody-positive myasthenia gravis (MuSK-MG) is diagnosed in 0-40% of cases with generalized seronegative MG in different populations. The presence of anti-MuSK antibodies defines a distinct clinico-immuno-pathological subtype of MG. We analysed for the first time the serology and clinical characteristics of MuSK-MG in a South Asian population.

An outbreak of Aspergillus meningitis following spinal anaesthesia for caesarean section in Sri Lanka: a post-tsunami effect?

An outbreak of Aspergillus fumigatus meningitis occurred in 5 women following spinal anaesthesia, performed between 21 June and 17 July 2005 for caesarean section, in Colombo, Sri Lanka. The patients' median age was 27 years. Different teams in 2 maternity hospitals gave spinal anaesthesia.