4Jaffe R, Santamaria M, Yunis EJ, et al. The neuroectodermal tumor of bone. Am J Surg Pathol, 1984, 8:885-890.
5Ibarburen C, Haberman JJ, Zerhouni EA. Peripheral primitive neuroectodermal tumors: CT and MRI evaluation. Euro J Radiol, 1996, 21:225-232.
6Dick EA, Mchugh K, Kinber C, et al. Imaging of non-central nervous system primitive neuroectodermal tumours:diagnostic features and correlation with outcome. Clin Radiol, 2001, 56:206-215.
7Khong PL, Chan GC, Shek TW, et al. Imaging of peripheral PNET: common and uncommon location. Clin Radiol, 2002, 57:272-277.
8Kimber C, Michalski A, Spitz L, et al. Primitive neuroectodermal tumours: anatomical location mextent of surgery and outcome. J Ped Surg, 1998, 33:39-41.
9Michael EM, Mark JK. Sequestra in primary lyphoma of bone: prevalence and radiologic features. AJR, 1993, 160:1245-1248.
10Schmidt D, Herrman C, Jurgens H, et al. Malignant peripheral neuroectodermal tumor and its necessary distinction from Ewing′s sarcoma: a report from the Kiel Pediatric Tumor Registry.Cancer, 1991, 68:2251.