6Bohn Sarmiento U, Aguiar Bujanda D, Camacho Galan R, et al. Lumbar region intra- spinal primitive neuroeetodermat tumour (PNET) combined with neurofibromatosis type 1. Clin Transl Oncol, 2005,7:464 467.
7Jain A, Jalali R, Nadkarni TD, et al. Primary intramedullary primitive neuroeetodermal tumor of the cervical spinal cord. Case report. J Neurosurg Spine ,2006,4:497-502.
8Aydin MV, Sen O, Ozel S, et al. Primary primitive neuroectodermal tumor within the spinal epidural space : report of a case and review of the literature. Neurol Res,2004,26:774-777.
9Ogasawara H, Kiya K, Kurisu K, et al. Intracranial metastasis from a spinal cord primitive neuroectodermal tumor: case report. Surg Neurol, 1992,37 : 307 -312.
10Massimino M, Gandola L, Spreafico F, et al. Supratentorial primitive neuroectodermal tumors ( S-PNET ) in children: a prospective experience with adjuvant intensive chemotherapy and hyperfractionated accelerated radiotherapy, Int J Radiat Oncol Biol Phys ,2006,64 : 1031-1037.
