4Yuan XP, Curtin J, Xiong YZ, et al. Isolation of cancer stem cells from adult glioblastoma multiforme[J]. Onco gene, 2004,23: 9392.
5Kondo T, Setoguchi T, Taga T, et al. Persistence of a small subpopulatlon of cancer stem-like cells in the C6 glioma cell line[J]. Proc Natl Acad Sci, 2004,101 : 781.
6Galli R, Binda E, Orfanelli U, et al. Isolation and characterization of tumorigenic,stem-like neural precursors fom human glioblastoma[J]. Cancer Res,2004,64(19) : 7011.
7Nelson R. Brain cancer stem cells may drive tumor formation[J]. Lancet Neurol,2005,4(1) :17.
8Kang MK,Kang SK. Tumorigenesis of chemotherapeutic drug-resistant cancer stem-like cells in brain glioma[J]. Stem Cells Dev, 2007,16 (5) : 837.
4Sugiyama K, Kondo T, Oouchida Y, et al. Clinical utility of diffusion tensor imaging for evaluating patients with diffuse axonal injury and cognitive disorders in the chronic stage[J]. J Neurotrauma, 2009,26 ( 11 ) : 1879-1890.
5Takahashi T, Sato N, Ota M, et al. Asymmetrical inter hemispheric fiber tracts in patients with hemimegalen- cephaly on diffusion tensor magnetic resonance imaging [J]. J Neuroradiol, 2009,36 (5) : 249-254.
6Yen PS,Teo BT,Chiu CH,et al. White matter tract in-volvement in brain tumors: a diffusion lensor imaging a nalysis[J]. Surg Neurol,2009,72(5) :464-469.
7Chen X, Weigel D, Ganslandt O, et al. Diffusion tensor im- aging and while matter tractography in patients with brainstem lesions[J]. Acta Neurochir (Wien),2007,149 (11):1117-1131.
8Krishnan AP, Asher IM, Davis DP, et al. Evidence that MR diffusion tensor imaging (tractography) predicts the natural history of regional progression in patients irradia- ted conformally for primary brain tumors[J]. Int J Radiat Oncol Biol Phys,2008,71(5):1553-1562.