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Registered computed tomography images as an alternative to postimplantation magnetic resonance imaging in the assessment of subthalamic electrode placement

O'Gorman, RL; Selway, RP; Reid, CJ; Hotton, GR; Hall, E; Jarosz, JM; Polkey, CE; (2004) Registered computed tomography images as an alternative to postimplantation magnetic resonance imaging in the assessment of subthalamic electrode placement. J COMPUT ASSIST TOMOGR , 28 (363-8715 (Print), 4) 548 - 550.

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Abstract

Magnetic resonance imaging (MRI) after implantation of electrodes in the subthalamic nuclei is currently performed at a number of sites, but a recent adverse incident and changes in MRI technology may heighten safety concerns. In this report, it is demonstrated that given whole-head image data, registration of postimplantation computed tomography to preimplantation MRI can enable verification of the position of electrodes to an accuracy of 2 mm. This registration technique can remove the need for potentially risky postoperative MRI

Type: Article
Title: Registered computed tomography images as an alternative to postimplantation magnetic resonance imaging in the assessment of subthalamic electrode placement
Additional information: DA - 20040702
Keywords: Electric Stimulation Therapy, instrumentation, Electrodes, Implanted, Female, Heat, adverse effects, Humans, Image Processing, Computer-Assisted, methods, Magnetic Resonance Imaging, Male, Middle Aged, Risk Factors, Safety, Subthalamic Nucleus, surgery, Tomography, X-Ray Computed
UCL classification: UCL > School of BEAMS > Faculty of Engineering Science > Medical Physics and Bioengineering
URI: http://discovery.ucl.ac.uk/id/eprint/38232
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