Colour-coded fractional anisotropy images: Differential visualisation of white-matter tracts - Preliminary experience

T. Murata, S. Higano, H. Tamura, S. Mugikura, Syouki Takahashi

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Diffusion-tensor analysis allows quantitative assessment of diffusion anisotropy. Fractional anisotropy (FA) is commonly used to quantify anisotropy. One of the limitations of FA imaging is, however, that it does not contain information about the directionality of anisotropy and it is therefore difficult to identify white-matter tracts on FA images. Our purpose was to describe a simple method of making composite images containing information about both magnitude and direction of diffusion anisotropy. The composite colour-coded FA images enabled us to identify different adjacent fibre bundles of similar degrees of diffusion anisotropy, and might be helpful in assessment of these fasciculi.

Original languageEnglish
Pages (from-to)822-824
Number of pages3
JournalNeuroradiology
Volume44
Issue number10
DOIs
Publication statusPublished - 2002 Dec 1

Keywords

  • Brain
  • Diffusion
  • Magnetic resonance imaging
  • White-matter tracts

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging
  • Clinical Neurology
  • Cardiology and Cardiovascular Medicine

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