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Related Experiment Video

Updated: Jun 29, 2026

Diffusion Tensor Magnetic Resonance Imaging in the Analysis of Neurodegenerative Diseases
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.

R Ito1, E R Melhem, S Mori

  • 1Department of Radiology, Shiga University of Medical Science, Otsu, Shiga, Japan.

Neurology
|February 27, 2001
PubMed
Summary
This summary is machine-generated.

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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.

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Last Updated: Jun 29, 2026

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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.