This syndromes consist of 20% of all cerebral palsy cases. The lesion involves basal ganglia.
This lesion will characterized by the writhing and slow movement of the patients. There is athetoid present. Athetoid means involuntary movement. It will affect the extremities. Proximal parts of the limbs and trunk will become dystonic.
Sometimes, there is abrupt and jerky movement at distal parts of the limbs. The movements usually increase with emotional tension and stop during sleep. In this type of cerebral palsy, dysarthria is often severe.
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Reference:
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The Great Ormond Street Colour Handbook of Paediatrics and child Health. Manson Publishing.
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Oxford Handbook of General Practice. Oxford University Press. 2005.
