1Kernohan JW. Primary tumors of the spinal cord and intradural filum terminale. In: Penfield W,ed. Cytology and cellular pathology of the nervous system. New York: Hoeber, 1932. 993-1025.
2Casadei GP, Komori T, Scheithauer BW, et al. Intracranial parenchymal schwannoma: a clinicopathological and neuroimaging study of nine cases. J Neurosurg , 1993,79: 217-222.
3Zagardo MT, Castellani RJ, Rees JH, et al. Radiologic and pathologic findings of intracerebral schwannoma(Review). AJNR, 1998, 19: 1290-1293.
4Sharma MC, Karak AK, Gaikwad SB, et al. Intracranial intraparenchymal schwannomas: a series of eight cases. J Neurol Neurosurg Psychiatry, 1996, 60: 200-203.
5Huang PP, Zagzag D, Benjamin V. Intracranial Schwannoma presenting as a subfrontal tumor: case report. Neurosurgery, 1997, 40: 194-197.
6Tsuiki H, Kuratsu J, Ishimaru Y, et al. Intracranial intraparenchymal schwannoma :report of three cases. Acta Neurochir (Wien), 1997, 139: 756-760.
7Weiner HL, Zagzag D, Babu R, et al. Schwannoma of the fourth ventricle presenting with hemifacial spasm: a report of two cases(Review). J Neuro oncol, 1993, 15: 37-43.
6Casadei GP,Komori T,Scheithauer BW,et al.Intracranial parenchymal schwannoma:a clinicopathological and neuroimaging study of nine cases[J].J Neurosurg,1993,79:217~222.
7Zagardo MT,Castellani RJ,Rees JH,et al.Radiologic and pathologic findings of intracerebral schwannoma (Review).AJNR,1998,19:1290~1293.
8Kuratsu J.UshioU.Epidemiological study of primaryintracranial tumors:a regional survey in Kumamoto Prefecture in southern part of Japan[J].J Neurosurg,1996,84:946~950.
9Tsuiki H,Kuratsu J,Ishimaru Y,et al.Intracranial intrapar-enchymal schwannoma:report of three cases[J].Acta Neu-rochir (Wien),1997,139:756~760.