White matter differences between multiple system atrophy (parkinsonian type) and parkinson's disease: A diffusion tensor image study

L. Ji, Y. Wang, D. Zhu, W. Liu, J. Shi

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

The clinical differential diagnosis between the Parkinson variant of multiple system atrophy (MSA-P) and Parkinson's disease (PD) is difficult in early stages. To identify objective markers for differential diagnosis, we combined the novel tract-based spatial statistics (TBSS) and region of interest (ROI) analyses for the first time to investigate three groups (15 MSA-P, 20 PD patients and 20 controls) with diffusion tensor imaging data. By TBSS, we performed pairwise comparisons of fractional anisotropy (FA), mean diffusivity, radial diffusivity (RD) and axial diffusivity maps. The clusters with significant differences betweenMSA-P and PD were used as ROIs for further analyses. FA/RD values in bilateral corticospinal tract (CST) and left anterior thalamic radiation (ATR) in MSA-P were significantly different from PD or controls, and significantly correlated with clinical data. These findings indicated that the abnormalities of left ATR and bilateral CST were specific forMSA-P relative to PD or controls, and seemed to be promising for differential diagnosis. Furthermore, it may be useful for severity assessment of MSA-P.

Original languageEnglish (US)
Pages (from-to)109-116
Number of pages8
JournalNeuroscience
Volume305
DOIs
StatePublished - Jan 1 2015

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Multiple System Atrophy
Parkinsonian Disorders
Parkinson Disease
Pyramidal Tracts
Differential Diagnosis
Anisotropy
Radiation
Diffusion Tensor Imaging
White Matter

Keywords

  • Diffusion tensor imaging
  • Multiple system atrophy
  • Parkinson's disease
  • Region of interest
  • Tract-based spatial statistic

ASJC Scopus subject areas

  • Neuroscience(all)

Cite this

White matter differences between multiple system atrophy (parkinsonian type) and parkinson's disease : A diffusion tensor image study. / Ji, L.; Wang, Y.; Zhu, D.; Liu, W.; Shi, J.

In: Neuroscience, Vol. 305, 01.01.2015, p. 109-116.

Research output: Contribution to journalArticle

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