5Kawahara Y,Niiro M,Yokoyama S,et al.Dural congesion accompanyding meningionma invasion into vessels the dural sign[J].Neuroradiology,2011,43:462-465.
6Engelhard HH.Progress in the dignosis and treatment of patient of patients with menigniomas PartⅠdignostic imaging preoperative embolization[J].Surg Neurol,2011,55:89-101.
7Hulzelmann A,Palmie S,Buhl R,et al.Dural invasion of meningomas adjacent to the tumormargin on Gd-DTPA-enhanced MR images his-pathologic correlation[J].Eur Radiol,2008,8:746-748.
