Primary adenosquamous carcinoma of the colon: Report of five cases |
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Authors: | Yingchun Dong Jiandong Wang Henghui Ma Hangbo Zhou Guangming Lu Xiaojun Zhou |
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Institution: | (1) Department of Anesthesiology, Medical School of Nanjing University, Nanjing Stomatology Hospital, Nanjing, PR China;(2) Department of Pathology, Nanjing Jinling Hospital, 305 Zhongshan Dong Lu, Nanjing, 210002, PR China |
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Abstract: | Primary adenosquamous cell carcinomas (Ad-SCCs) of the colon and rectum are rare malignancies with a poor prognosis, in comparison
to adenocarcinoma alone. Different roles of human papilloma virus (HPV) in its pathogenesis have been reported and the role
of P16 in Ad-SCCs has not been explored. This report presents five cases of Ad-SCC of the colon to explore the clinicopathological
features and the roles of P16, HPV 6/11, and 16/18. There was no confirmed evidence to support the relationship between the
infection of HPV 6/11, 16/18, and pathogenesis of Ad-SCC of the colon. P16 overexpression was not related to HPV carcinogenesis
and there might be another mechanism of P16 upregulation in Ad-SCC of the colon. |
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Keywords: | Colorectal carcinoma Primary adenosquamous carcinoma Human papilloma virus P16 Prognosis |
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