Stereotactic/Functional Neurosurgery
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Dystonia is involuntary movement characterized by sustained twisting which may affect different muscle groups in the limbs, trunk, neck or face. Dystonia may be generalized (entire body), segmental (one or two limbs or neck and one limb) or focal (localized muscle groups - eg. Writer's cramp). It may be present continuously or may be brought on by voluntary movements or specific motor tasks.

As with other movement disorders, treatment usually begins with medications. BOTOX injections are also done in certain cases. If medications fail to control the dystonia or medication side effects are intolerable, surgery may be a consideration.

Currently we are involved in a multi-centre trial of bilateral pallidal DBS for the treatment of cervical dystonia (torticollis).

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