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Parkinson's Disease
Frequently Asked Questions
19. What is a pallidotomy?
Pallidotomy was once the most common surgery for Parkinson's
disease. In this procedure, a surgeon selectively destroys a
portion of the brain called the globus pallidus. Pallidotomy can
improve symptoms of tremor, rigidity, and bradykinesia, possibly by
interrupting the connections between the globus pallidus and the
striatum or thalamus. Because this procedure causes permanent
destruction of brain tissue, it has largely been replaced by deep
brain stimulation for treatment of Parkinson's disease.
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