1McCormick PC, Torres R, Post KD, et al. Intramedullary ependymoma of the spinal cord. J Neurosurg, 1990,72:523-532.
2Constantini S, Miller DC, Allen JC, et al. Radical excision of Intramedullary spinal cord tumors: surgical morbidity and longterm follow-up evaluation in 164 children and young adults. J Neurosurg, 2000,93 : 183-193.
3Peker S, Ozgen S, Ozek MM, et al. Surgical treatment of intramedullary spinal cord ependymomas: can outcome be predicted by tumor parameters? J Spinal Disord Tech, 2004,17: 516-521.
4Taricco MA,Guirado VM,Fontes RB,et al.Surgical treatment of primary intramedullary spinal cord tumors in adult patients[J].Arq Neuropsiquiatr,2008,66:59.
5Sala F,Bricolo A,Faccioli F,et al.Surgery for intramedullary spinal cord tumors:the role of intraoperative (neurophysiological)monitoring[J].Eur Spine,2007,16:S130.
6Peker S,Ozgen S,Ozek MM,et al.Surgical treatment of intramedullary spinal cord ependymomas:can outcome be predicated by tumor parameters[J]? Spinal Disord Tech,2004,17:516.
7Yang S,Yang X,Hong G.Surgical treatment of one hundred seventy-four intramedullary spinal cord tumors[J].Spine(Phial Pa 1976),2009,34:2705.
8Mainri F,Iaconelta G,Gallicchio B,et al.Intraoperative sonography for spinal tumors.Correlations with MR findings and surgery[J].Neurosurgery Sci,2000,44:115.
9Deletis V,Bueno De Camargo A.Interventional neurophysiological mapping during spinal cord procedures[J].Stereotact Funct Neurosurg,2001,77:25.
