1. Ohtonari T, Nishihara N, Ota T, Ota S, Koyama T. Intramedullary schwannoma of conus medullaris complicated by dense adhesion of neural tissue. Neural Medchir. 2009;49:536–8.
2. Binatli O, Ersahin Y, Korkmaz O, Bayol U. Intramedullary schwannoma of the spinal cord: a case report and review of the literature. J Neurosurg Sci. 1999;43:163–8.
3. Ramamurthi B, Anguli VC, Iyer CG. A case of intramedullary neurinoma. J Neurol Neurosurg Psychiatry. 1958;21:92–4.
4. O’Brien DF, Farrell M, Fraher JP, Bolger C. Schwann cell invasion of the conus medullaris: case report. Eur Spine J. 2003;12:328–31.
5. Russel D, Rubinstein LJ, editors. Pathology of tumors of the nervous system. 3rd ed. London: Edward Arnold; 1971.