Poorer Prognosis of Primary Signet-Ring Cell Carcinoma of the Breast Compared with Mucinous Carcinoma.

Wu, Xiufeng; Zhang, Zhenzhen; Li, Xin; Lin, Qingzhong; Chen, Gang; Lu, Jianping; Zeng, Yi; Hu, Dan et al. · PLoS One · 2016

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Abstract

Our results confirmed the more aggressive behavior of PSRCC compared to MBC. This tumor is frequently associated with more frequent lymphatic metastasis, higher Ki67 labeling index, more advanced stage disease as well as simultaneous vimentin upregulation and E-cadherin downregulation. Different management guidelines should be considered for the two types.

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