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Diffusion Tensor Magnetic Resonance Imaging in Chronic Spinal Cord Compression
Published on: May 7, 2019
Correlation of diffusion tensor imaging metrics with neurocognitive function in Chiari I malformation
Manoj Kumar1, Ram K S Rathore, Arti Srivastava
1Department of Radiodiagnosis, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India.
World Neurosurgery
|August 16, 2011
Summary
Diffusion tensor imaging (DTI) reveals microstructural brain abnormalities in Chiari I malformation patients. These changes in deep gray and white matter correlate with neurocognitive deficits, impacting brain function.
Area of Science:
- Neuroimaging
- Neurology
- Diffusion Tensor Imaging
Background:
- Chiari I malformation affects brain structure.
- Assessing white and deep gray matter changes is crucial.
- Neuropsychological deficits are common.
Purpose of the Study:
- Examine brain microstructural changes in Chiari I malformation using DTI.
- Correlate DTI findings with neuropsychological test scores.
- Compare patients with healthy controls.
Main Methods:
- 10 Chiari I patients and 10 controls underwent MRI and DTI.
- Quantified diffusion tensor imaging metrics (FA, MD, RD, AD) using ROI.
- Performed independent t-tests and Pearson correlations.
Main Results:
- Patients showed reduced FA and increased MD in specific brain regions.
- Increased RD and AD were observed in various white and gray matter areas.
- Abnormal NP test performance correlated with DTI metrics.
Conclusions:
- DTI reveals significant microstructural abnormalities in Chiari I patients.
- These DTI changes are linked to neurocognitive impairments.
- DTI is a valuable tool for understanding Chiari I pathophysiology.
