PMID: 26888132Feb 19, 2016Paper

Expression and prognostic value of MTDH, Bcl-2 and E-cadherin in sinonasal malignant mucosal melanoma

Zhonghua er bi yan hou tou jing wai ke za zhi = Chinese journal of otorhinolaryngology head and neck surgery
Bingqing Zou, Shuyi Wang

Abstract

To study the expression and predictive value of MTDH, Bcl-2 and E-cadherin in sinonasal malignant mucosal melanoma (SNM). Seventy-four formalin-fixed paraffin-embedded SNM specimens were subjected to immunohistochemical staining of MTDH, Bcl-2 and E-cadherin. Correlation between staining results and disease outcome was analyzed.SPSS 19.0 software was used to analyze the data. Positive staining of MTDH, Bcl-2 and E-cadherin was observed in 56/74 (75.7%), 18/74 (24.3%) and 21/74 (28.4%) cases, respectively. MTDH positive patients had higher metastatic rate than MTDH negative patients (67.9% vs. 33.3%, P=0.009, OR=2.037, 95% CI: 1.034-4.016). Negative Bcl-2 was correlated with worse overall survival time (HR=2.023, P=0.025). Expression of E-cadherin was adversely associated with expression of MTDH (r=-0.315, P=0.006). High MTDH expression and low Bcl-2 expression suggest poor prognosis of SNM, while the predictive value of E-cadherin needs further study.

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