3Rao K, Dutta TK, Gupta AN, et al. Extragonadal abdominal wallmalignant teratoma-a case report[j]. Indian J Cancer, 1980, 17(3):185-7.
4Billmire DF, Grosfeld JL. Teratomas in childhood: analysis of 142cases[j]. J Pediatr Surg, 1986, 21(6): 548-51.
5Teilum G. Classification of endodermal sinus tumour (mesoblatomavitellinum) and so-called ”embryonal carcinoma” of the ovary [j].Acta Pathol Microbiol Scand, 1965, 64(4): 407-29.
6Oosterhuis JW, Stoop H, Honecker F, et ai. Why humanextragonadal germ cell tumours occur in the midline of the body:old concepts, new perspectives [J]. Int J Androl, 2007, 30(4):256-63.
7Emin U, Tayfun G, Cantekin I,et al. Tumor markers in maturecystic teratomas of the ovary [j]. Arch Gynecol Obstet, 2009,279(2): 145-7.
8Coskun A, Kiran G, Ozdemir O. CA 19-9 can be a useful tumormarker in ovarian dermoid cysts [J]. Clin Exp Obstet Gynecol,2008,35(2): 137-9.
9Ueno T, Tanaka YO,Nagata M, et al. Spectrum of germ cell tu-mors: from head to toe[j]. Radiographics, 2004, 24(2): 387-404.
