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There are different kinds of surgery:
Deep brain stimulation (DBS). An electrode is implanted in the brain. The electrode is connected to a controller that is put under the skin of the chest. When needed, the controller sends pulses through the electrode. The pulses interrupt brain signals that cause certain symptoms.
Lesioning. This includes pallidotomy and thalamotomy. The goal is to block the pathways of messages that can lead to symptoms. During the surgery, a very small lesion is made in one area of the brain. Small brain lesions can be done with small tools or focused high energy radiation (radiosurgery). Pallidotomy may help lessen tremors, stiffness, and slowness of movement. Lesioning is not often used.
MRI-guided focused ultrasound.
Many procedures for Parkinson disease have been researched. Some show promise, but more research is needed. Your doctor can answer questions on other procedures you may have heard about. One experimental new surgery is restorative surgery. During this surgery, new brain tissue, gene therapy, or stem cells are transplanted into the brain. There, the new tissue takes over the function of damaged cells.
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