Abstract
Purposes
Uterine cervical carcinosarcoma (CS) is very rare. To date, only 40 cases have been reported. It seems to have a more aggressive clinical behavior than does cervical squamous cell carcinoma (SCC). The purposes of our study were to characterize the clinicopathologic characteristics and human papillomavirus (HPV) status of the rare tumor and to analyze the molecular features in cervical CS that may account for its aggressive behavior.
Methods
Three patients were diagnosed with uterine cervical CS at West China Second Hospital of Sichuan University between 1995 and 2009. Data were retrospectively analyzed from available charts and pathological reports. Twelve patients with FIGO stage Ib–IIa cervical SCC were enrolled as the controls, and the expression profiling of p53, Ki-67, bcl-2, survivin and apoptosis index between cervical CS and SCC was compared. Immunohistochemical and apoptosis results were scored separately for the carcinomatous and sarcomatous components.
Results
All three patients were shown to be negative for HPV infection by Hybribio HPV genoarray assay. Expression of p53 was observed in one patient in both carcinomatous and sarcomatous components in a similar proportion; in contrast, the Ki67, bcl-2 and survivin expressions were higher in carcinomatous components than in sarcomatous components in all three cases. Compared to cervical SCC, stronger immunostaining for bcl-2, survivin and lower apoptosis was observed in cervical CS.
Conclusions
Cervical CS is a peculiar tumor with many different clinicopathologic characteristics from cervical SCC. Dysregulation of apoptosis may confer tumor cells of cervical CS with survival and growth advantages, and thereby facilitate the aggressive behavior of cervical CS.
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Acknowledgments
We thank Professor Kai-Xuan Yang and Professor Xian-yin Yao, Department of gynecological pathology, West China Second Hospital of Sichuan University for help in pathology.
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We declare that we have no conflict of interest.
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Gan, XL., Li, JK., Yu, TH. et al. High expressions of bcl-2 and survivin, and decreased apoptosis in uterine cervical carcinosarcoma compared to cervical squamous cell carcinoma. Arch Gynecol Obstet 284, 175–181 (2011). https://doi.org/10.1007/s00404-010-1610-2
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DOI: https://doi.org/10.1007/s00404-010-1610-2