[Diffusion tensor imaging of the white matter tracts in preoperative patients with cerebral neoplasm].

  • Li Y
  • Huang Z
  • Wei D
 et al. 
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OBJECTIVE: To evaluate the quantitative relationship between white matter tract (WMT) variation resulting from cerebral tumors and shifting of the fractional anisotropy (FA) index in magnetic resonance (MR) diffusion tensor imaging (DTI).METHODS: Four female and 8 male patients aged from 21 to 62 years with brain malignancies (2 malignant lymphomas, 2 low-grade astrocytomas, and 8 high-grade cerebral gliomas) underwent conventional contrast-enhanced MR and DTI examinations before operation. Routine T(2)-weighted image, fractional anisotropic (FA) map, color-coded directional map, three-dimensional white matter tractography (WMT), and the FA index of bilateral internal capsule were obtained in every patient.RESULTS: Fiber tractography derived from DTI was consistent with known white matter fiber anatomy. The DTI patterns in WMT altered by the tumor were categorized on the basis of FA1/FA2 ratio as follows: pattern 1, FA1/FA2> or =75% with normal or only slightly decreased FA; pattern 2, 50%< or =FA1/FA2

Author-supplied keywords

  • *Clinical
  • Adult
  • Brain
  • Brain Neoplasms
  • Diffusion Magnetic Resonance Imaging
  • Female
  • Glioblastoma
  • Glioma
  • Humans
  • Male
  • Middle Aged
  • Nerve Fibers
  • Neural Pathways
  • Preoperative Care
  • Reproducibility of Results
  • Sensitivity and Specificity
  • Tumors/Cancer
  • english abstract

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  • Yi-zhuo Li

  • Zi-lin Huang

  • Da-nian Wei

  • Chuan-miao Xie

  • Hao-qiang He

  • Yi-fei Wei

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