6[1]Masaryk TJ . Neoplastic disease of the spine [J]. Radiol Clin North Am, 1991, 29:829
7[2]Ishikawa E, Matsumra A, Ishikawa S, et al. Combined minimally invasive approach using microsurgery and thoracoscopic surgery for resecting a dumbbell-type thoracic schwannoma[J]. Minim Invasive Neurosurg, 2002,45: 251 -253
4Gottfried ON, Binning MJ, Schmidt MH. Surgical approaches to spinal Schwannomas [J]. Contemporary Neurosurgery, 2005, 27(4): 1-9.
5SeppalaMT, HaltiaM J, SankilaR J, et al. Long-term outcome after re- moval of spinal Schwann-oma: a clinic opathological study of 187 cas- es [J]. JN eurosurgery, 1995, 83 (4): 621-626.
6JirmaiT, HoshimaruM, Koyama Tsunemaro. Clinical characteristics of spinal nerve sheath rum-ors analysis of 149 cases [J]. Neurosurgery, 2005, 56(3): 510-515.
7Sridhar K, Ramamurth iR, Vasudevan MC, et al. Limited unilateral ap- proach for extram edu-llary spinal tumour's [J]. Br J Neurosurg, 1998, 12 (5): 430-433.
8Tredway TL, Santiago P, Hrubes MR, et al. Minimally invasive resect- ion of intradural extram edulary spinal neoplasms [J]. Neu rosurgery, 2006, 58(S): 52-58.
9DK Ahn, HS Park, DJ Choi, et al. The surgical treatment for spinal int- mdural extramedullary tumors[J]. Clin Orthop Surg, 2009, 1:165-172.
