Fiber density index correlates with reduced fractional anisotropy in white matter of patients with glioblastoma

Tim P.L. Roberts, Fang Liu, Andrea Kassner, Susumu Mori, Abhijit Guha

Research output: Contribution to journalArticle

Abstract

A quantitative description of white matter fiber attenuation, the fiber density index (FDi) is described. This measure is derived from quantitative analysis of diffusion tensor imaging and reveals an index of the number of fiber paths traversing a region of interest. In this report, FDi is computed in 10 patients with glioblastoma multiforme, in white matter that is peritumoral and contralateral. FDi is shown to correlate significantly with fractional anisotropy.

Original languageEnglish (US)
Pages (from-to)2183-2186
Number of pages4
JournalAmerican Journal of Neuroradiology
Volume26
Issue number9
StatePublished - Dec 1 2005

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging
  • Clinical Neurology

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