Related Experiment Video
Updated: Jun 29, 2026
09:33
Diffusion Tensor Magnetic Resonance Imaging in the Analysis of Neurodegenerative Diseases
Published on: July 28, 2013
Diffusion tensor brain MR imaging in X-linked cerebral adrenoleukodystrophy.
1Department of Radiology, Shiga University of Medical Science, Otsu, Shiga, Japan.
Neurology
|February 27, 2001
Summary
Diffusion tensor MRI revealed distinct white matter changes in boys with X-linked adrenoleukodystrophy. Quantitative measurements showed significant differences in apparent diffusion coefficient (ADC(i)) and fractional anisotropy (FA) in affected areas.
Area of Science:
- Neuroimaging
- Neurology
- Biophysics
Background:
- X-linked adrenoleukodystrophy (X-ALD) is a peroxisomal disorder affecting the white matter of the central nervous system.
- Diffusion tensor imaging (DTI) is a sensitive MRI technique for evaluating white matter integrity.
Purpose of the Study:
- To quantitatively assess white matter changes in X-ALD using DTI.
- To investigate the relationship between diffusion parameters and histopathological changes in affected white matter.
Main Methods:
- Brain diffusion tensor MRI was performed on 11 boys diagnosed with X-linked adrenoleukodystrophy.
- Quantitative isotropic apparent diffusion coefficient (ADC(i)) and fractional anisotropy (FA) values were calculated in white matter regions.
Main Results:
- Significant differences in ADC(i) and FA values were observed between affected white matter and normal-appearing white matter.
- Zonal gradations of ADC(i) and FA were identified within affected white matter, correlating with known histopathological changes.
Conclusions:
- DTI can effectively detect and quantify white matter abnormalities in X-ALD.
- The observed zonal diffusion changes may reflect the progressive histopathological alterations characteristic of X-ALD.
