Which gray-matter structures are involved in deep brain stimulation (DBS) surgery for Parkinson disease (PD)?

Updated: Aug 29, 2019
  • Author: Robert A Hauser, MD, MBA; Chief Editor: Selim R Benbadis, MD  more...
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Continued refinement of the knowledge of basal ganglia circuitry and Parkinson disease pathophysiology has narrowed the focus of movement disorder surgery to 3 key gray-matter structures: the thalamus, the globus pallidus, and the subthalamic nucleus (STN). Currently, the STN is the most commonly targeted site for Parkinson disease. (See the following image.)

Sagittal section, 12 mm lateral of the midline, de Sagittal section, 12 mm lateral of the midline, demonstrating the subthalamic nucleus (STN) (lavender). The STN is one of the preferred surgical targets for deep brain stimulation to treat symptoms of advanced Parkinson disease.

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