Imperial Collage Healthcare

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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

Sample 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.

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