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本病极为罕见,资料上仅报道14例。Fluhmann承认本病的标准为;(1) 无并存之子宫内膜腺癌;(2) 在子宫内膜肿瘤与宫颈鳞状上皮之间无联系;(3) 无原发之宫颈鳞状细胞癌。作者附加第4项标准:如子宫颈有原位癌,则它与独立的子宫内膜鳞状上皮肿瘤间无联系。本病之发生机转有二:其一,通过原位或浸润性宫颈癌蔓延至邻近子宫内膜表面生长,这显然不能当作原发肿瘤。其机转为肿瘤沿水平方向蔓延,癌细胞机械地取代最终
The disease is extremely rare, the data reported only 14 cases. Fluhmann acknowledged the criteria for this disease as: (1) coexistence of endometrial adenocarcinoma; (2) no correlation between endometrial cancer and cervical squamous epithelium; (3) cervical squamous cell carcinoma without primary cervical cancer . The authors add the fourth criterion: if the cervix has carcinoma in situ, it has no association with an independent endometrial squamous cell tumor. The pathogenesis of this disease are two: First, by in situ or invasive cervical cancer spread to the adjacent endometrial surface growth, which obviously can not be used as a primary tumor. The machine turned to spread along the horizontal direction of the tumor, cancer cells mechanically replaced eventually