1Neumaier CE,Onetto F,Delucchi S,et al.Case report: isolated neurofibrosarcoma of the liver: US,CT and MR findings[J].Clin Radiol,1997,52(4): 310.
2Maciejewski A,Lange D,Wloch J.Case report of schwannoma of the rectum-clinical and pathological contribution[J].Med Sci Monit,2000,6(4): 779.
3Corral T,Jimenz M,Hernandez-munoz I,et al.NF1 modulates the effects of Ras oncogens:evidence of other NF1 function besides its GAP activity[J].J Cell Physiol,2003,197(2): 214.
4Topsakal C,Akdemir I,Tiftikci M,et al.Malignant schwannoma of the sciatic nerve originating in a spinal plexiform neurofibroma associated with neurofibromatosis type 1-case report[J].Neurol Med Chir(Tokyo),2001,41(11): 551.
5Badache A,De Vries GH.Neurofibrosarcoma-derived Schwann cells overexpress platelet-derived growth factor (PDGF) receptors and are induced to proliferate by PDGF BB[J].J Cell Physiol,1998,177(2): 334.
6Ho SY,Kveton JF.Rapid growth of acoustic neuromas after stereotactic radiotherapy in type 2 neurofibromatosis[J].Ear Nose Throat J,2002,81(12): 831.
7Pylkkanen L,Sarlomo-Rikalam M,Wwssman M,et al.Chromosome 22q alterations and expression of the NF2 gene product,merlin,in gastrointestinal stromal tumors[J].Hum Pathol,2003,34(9): 872.
8Ogose A,Hotta T,Morita T,et al.Multiple schwannomas in the peripheral nerves[J].J Bone Joint Surg Br,1998,80(4): 657.
9Colby RS,Saul RA.Is Jaffe-Campanacci syndrome just a manifestation of neurofibromatosis type 1[J].Am J Med Genet,2003,123A(1): 60.
10Niimura M.Aspects in neurofibromatosis from the viewpoint of dermatology[J].J Dermatol,1992,19(11): 868.
4Hanna AS,Grindle CR,Patel AA,et al.Inadvertent insertion of nasogas-tric tube into the brain stem and spinal cord after endoscopic skullbase surgery[J]. American Journal of Otolaryngology-Head and NeckMedicine and Surgery,2012,33(1):178-180.
5Ferner RE. Neurofibromatosis 1 and neurofibromatosis 2:a twen- ty first century perspective[J]. Lancet Neurol, 2007,6 (4) : 340 - 351.
