3Suzuki A,Nakamura H,Konishi S,et al.Dumbbell-shaped meningioma with cystic degeneration in the thoracic spine:a case report[J].Spine,2002,27:193-196.
4Martinez R,Ramiro J,Montero C,et al.Extradural spinal meningiomas with intrathoracic extension:report of two cases[J].J Neurosurg Sci,1988,32:179-181.
5Frank BL,Harrop JS,Hanna A,et al.Cervical extradural meningioma:case report and literature review[J].J Spinal Cord Med,2008,31:302-305.
3Louis D N, Ohgaki H, Wiestler O D, et al. The WHO classifica- tion of tumor of the central nervous system [J]. Acta Neuro pathol, 2007, 114(2): 97-109.
4Liu W C, Choi G, Lee S H, et al. Radiological findings of spinal schwannomas and meningiomas: focus on discrimination of two disease entities[J]. Eur Radiol ,2009,19(11):2707-2715.
5Yamada S, Kawai S, Yonezawa T, et al. Cervical extradural en- plaque meningioma: case report [J]. Neurol Med Chir (Tokyo), 2007, 47(1):36-39.
6Tong-tong W , Li-Juan B, Zhi L, et al. Clear cell meningioma with anaplastic features: case report and review of literature[J]. Pathol Res Pract,2010,206(5) : 349-354.
7Colen C, Rayes M, McClendon J, et al. Pediatric spinal clear meningioma[J]. J Neurosury Pediatr ,2009,3(1):57-60.
8Brian L, Frank, James S, et al. Cervical extradural meningioma: case report and literature review [J]. J Spinal Cord Med, 2008. 31:302 -305.
9Louis DN, Ohgaki H, Wiestler OD, et al. WHO classification of tumor of the central nervous sys- tem [M]. Fourth ed, Lyon= IARC press, 2007. 164-172.
10Kumar S, Kaza R, Maitra TK, et al. Extradural spinal meningi- oma arising from a nerve root: case report [J]. J Neurosurg, 1980, 52: 728-729.