1Motoyama T, Higuchi M, Taguchi J,Combined choriocancinoma,hepaloid adenocarcinoma,small cell carcinoma and tubular adenocarcinoma in the oesophagus.Virchows Arch 1995,427-:451.
2Nguyen G-K. Adeaocarcinoma of the sigmoid colon with focal choriocarcinorna metaplasia.A case report.Dis Colon Rechrn. 1982,25:230.
3Gnammatico D.Grignon DJ.Eberwein P,et al:Transitional cell carcinoma of the renal pelvis with choriocarcinomatous differentinton.Imrmaondhistochemical and imonuooelectroo microscopic assesenncnt of human choriocnic gonadotropin production by transitional cell carcinoma of the urinary bladder.Cancer 1993.71:1835.
4Seigo PE, Rosen PP. Marnmary carcinoma with choriocarcinomatous features..Am J Sury Psth 1981,5:773.
6Jindrak K, Primary pastric choriocarcinonan A case report with review of world literature,Human Pathol, 1976,7: 579.
7Mori H.Choriocarcinomatous chenge with immunocytochermically HCG positive cells in gastric carcinoma of the males. Virachowx Arch (path Anat), 1982,396: 141.
8Motoyama T, Aizanva K, Fujiwara T, et al. Coenistence of choriccancinonm and hepatoid adenocarcinoma in the stomach. Pethol Int 1994,44:716.
5Chen F. Tatsumi A. Numoto S. Combined choriocarcinoma and adenocarcinoma of the lung occurring in a man: case report and review of the literature[J]. Cancer.2001, 91( 1) : 123-129.
6Yokoi Kv Tanaka Nv Furukawa K.et al, Male choriocareinoma with metastasis to the jejunum: a case report and review of the literature[J]. J Nippon Med Sch.2008. 75(2): 116-121.