Basal ganglia antibodies (ABGA)
ABGA have been associated with movement disorders (usually tics and chorea) and psychiatric disturbance in children. It is hypothesised that dystonia in adults or adolescents may be part of the clinical spectrum of the post-infectious syndrome associated with ABGA.
Sydenham's chorea tic disorders encephalitis lethargicalike syndrome
|Sample & container required||RST (rust top), Can also be performed on CSF|
|Sample volume||5-10 mL (1 mL serum)|
|Turnaround time||28 days|
Not currently performed in house; this test is referred to the Institute of Neurology, Queens Square, London.