Related Experiment Video
Updated: Jun 24, 2026
09:36
In vivo Positron Emission Tomography to Reveal Activity Patterns Induced by Deep Brain Stimulation in Rats
Published on: March 23, 2022
Imaging of deep brain stimulation leads using extended Hounsfield unit CT
Adam O Hebb1, Andrew V Poliakov
1Department of Neurosurgery, University of Washington, Seattle, WA 98195, USA. aohebb@u.washington.edu
Stereotactic and Functional Neurosurgery
|March 27, 2009
Summary
Extended Hounsfield Unit (EHU) CT imaging improves visualization of deep brain stimulation (DBS) leads in Parkinson's disease patients. This advanced technique helps distinguish lead components for better anatomical assessment compared to standard CT.
Area of Science:
- Medical Imaging
- Neurology
- Neurosurgery
Background:
- Deep brain stimulation (DBS) is a standard therapy for Parkinson's disease.
- Standard CT imaging has limitations in differentiating metallic components within DBS leads.
- Accurate visualization of DBS lead placement is crucial for patient management.
Purpose of the Study:
- To evaluate the utility of Extended Hounsfield Unit (EHU) CT for improved DBS lead imaging.
- To demonstrate the capability of EHU-CT in distinguishing individual DBS lead electrodes.
- To assess the co-registration of EHU-CT with MRI for precise anatomical localization.
Main Methods:
- Utilized CT imaging with an extended Hounsfield unit (EHU) scale.
- Applied advanced image processing techniques to analyze CT data.
- Co-registered EHU-CT volumes with MRI scans for anatomical correlation.
Main Results:
- EHU-CT imaging successfully detected individual electrodes within DBS leads.
- The technique overcomes limitations of standard CT in distinguishing metallic components.
- Co-registration with MRI provided accurate anatomical visualization of DBS lead contacts.
Conclusions:
- EHU-CT offers enhanced visualization of DBS leads, surpassing standard CT capabilities.
- This advanced imaging method aids in the evaluation of DBS therapy in Parkinson's disease.
- Accurate lead visualization is essential for optimizing patient outcomes and managing side effects.
Related Concept Videos
01:14Imaging Studies I: CT and MRI
Introduction: MRI and CT scans are crucial advancements in medical imaging techniques, playing a vital role in diagnosing conditions related to the gastrointestinal (GI) system. Each scan serves distinct purposes, targets specific areas, and requires unique nursing duties.
Description of the Procedures
Computed Tomography (CT) scan:
Computed Tomography (CT) scans use X-ray technology to generate detailed images of bones, organs, and tissues. During the scan, the patient lies on a moving table...
Description of the Procedures
Computed Tomography (CT) scan:
Computed Tomography (CT) scans use X-ray technology to generate detailed images of bones, organs, and tissues. During the scan, the patient lies on a moving table...
01:14Brain Imaging
Brain imaging technologies provide critical insights into both the structure and function of the human brain, enabling medical professionals and researchers to diagnose, study, and treat neurological disorders or psychiatric disorders more effectively.
These technologies include computerized axial tomography (CAT or CT scans), positron-emission tomography (PET scans), magnetic resonance imaging (MRI), functional magnetic resonance imaging (fMRI), and Transcranial Magnetic Stimulation (TMS).
These technologies include computerized axial tomography (CAT or CT scans), positron-emission tomography (PET scans), magnetic resonance imaging (MRI), functional magnetic resonance imaging (fMRI), and Transcranial Magnetic Stimulation (TMS).