Abstract
An Unusual Case of Essential Tremor Deep Brain Stimulation: Where is the Lead?
Highlights
Clinical Vignette: A 73-year-old female with essential tremor (ET) underwent bilateral thalamic ventralis intermedius (Vim) deep brain stimulation (DBS) surgery
The review of the right DBS lead resulted in sensory side effects at modest voltages when activating the most ventral contacts, while the left DBS lead resulted in chorea of the right upper extremity when activating the two deepest contacts
The right DBS lead was placed deep and near the border of the thalamic ventralis oralis posterior (Vop) and ventralis oralis anterior (Voa) while the left DBS lead was placed in the anterolateral portion of the subthalamic nucleus (STN) with the lead trajectory tangent to the posterior subthalamic area (PSA) (Figures 1 and 2)
Summary
C. Chauncey Spears1,2*, Leonardo Almeida[2], Michael S. Okun2 & Wissam Deeb[2 1] Department of Neurology, University of Michigan, Ann Arbor, MI, US, 2 Fixel Center for Neurological Diseases, Program in Movement Disorders and Neurorestoration, Department of Neurology, University of Florida, Gainesville, FL, US
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