7Al-Essa AA,MalikTA,Baghdadi MK,et al.Adult sacrococcygeal teratomas.Saudi Med J,2004,25(3)367-369
8Cranston PE,Smith EE,Hamrick-Turner J.Emergence of mature teratoma following treatment of sacrococcygeal endodermal sinus tumor:CT and MR imaging with pathological correlation.Pediatr Radiol,1994,24(4):239-240
9Schropp KP,Lobe TE,Rao B,et al.sacrococcygeal teratoma:the experience of four decades.J pediatr Surg,1992,27(8):1075-1079
4Chen M L, Su J M, Cheng Y M, et al . Presacral epidermoid cyst with right hydronephrosis[J]. Taiwan J Obstet Gynecol, 2006, 45(2) :155-158.
5Ueda K, Tsunoda A, Nakamura A, et al. Presacral epidermoid cyst: report of a case[J]. Surg Today, 1998,28(6):1665-668.
6Dahan H, Arrive L, Wendum D, et al. Retrorectal developmental cysts in adults: clinical and radiologic-histopathologic review, differential diagnosis, and treatmen[J]. RadioGraphics, 2001, 21 (3) :575-584.
7Yang D M, Kim H C, Lee H L, et al. Squamous cell carcinoma arising from a presacral epidermoid cyst: CT and MR findings [J]. Abdom Imaging, 2008, 33(4):498-500.
8Iaconetta G, Carvalho G A,Vorkapic P, et al. Intracerebral epidermoid tumor: a case report and review of the literature[J]. Surg Neurol, 2001, 55(4) :218-222.
9Yang D M, Yoon M H, Kim H S, et al. Presacrai epidermoid cyst: imaging findings with histopathologic correlation[J]. Abdom Imaging, 2001, 26(1):79-82.
10Jaiswal A, Shetty A P, Rajasekaran S. Precoccygeal epidermal inclusion cyst presenting as eoecygodynia[J]. Singapore Med J, 2008, 49(8):212-214.