Imperial Collage Healthcare

Basal ganglia antibodies (ABGA)


Test Background
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.


Clinical Indications
Sydenham's chorea tic disorders encephalitis lethargicalike syndrome


Reference Range

Negative


Sample Required
RST (rust top), Can also be performed on CSF


Sample Volume
5-10 mL (1 mL serum)


Turnaround Time
28 days


Notes
Not currently performed in house; this test is referred to the Institute of Neurology, Queens Square, London.

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