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Basal ganglia antibodies (ABGA)

Category Immunology
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


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.