5Shinoda J,Sakai N,Yano H,et al.Prognostic factors and the rapeutic problems of primary intracranial choriocarcinoma germ cell tumors with high levels of HCG[J].J Neu rooncol,2004,66:225-240.
6Kaatsch P,Kaletsch U,Michaelis J.Annual Report 2002:GermanChildhood Cancer Registry[M].Mainz,Germany:DeutschesKinderrebsregister,2003:13-17.
7Jennings MT,Gelman R,Hochberg F.Intracranial germ-cell tumors:natural history and pathogenesis[J].J Neurosurg,1985,63(2):155-167.
8Lin IJ,Shu SG,Chu HY,et al.Primary intracranial germ-cell tumorin children[J].Zhonghua Yi Xue Za Zhi(Taipei),1997,60(5):259-264.
9Louis DN,Ohgaki H,Wiestler OD,et al.The 2007 WHO classificationof tumors of the central nervous system[J].Acta Neuropathol,2007,114(2):97-109.
10Echevarría ME,Fangusaro J,Goldman S.Pediatric central nervoussystem germ cell tumors:a review[J].Oncologist,2008,13(6):690-699.
