MRI in a patient with subthalamic nucleus deep brain stimulation electrodes

75-year-old with idiopathic Parkinson disease treated with deep brain stimulation targeted to the subthalamic nucleus. 3D, T1-weighted MRI in coronal (A), transverse axial (B), and sagittal (C) planes shows linear and punctate hypointense foci of the electrodes terminating in the subthalamic nucleus (arrows).