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KMID : 0357920120460050470
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Korean Journal of Pathology
2012 Volume.46 No. 5 p.470 ~ p.477
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Clinicopathologic Implication of Ezrin Expression in Non-small Cell Lung Cancer
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Lee Ho-Won
Kim Eui-Han
Oh Mee-Hye
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Abstract
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Background : Ezrin, a member of the ezrin-radixin-moesin family, is implicated in tumor progression, metastatic dissemination, and adverse outcomes, in several cancer types. In this study, we explored the clinicopathological significance of ezrin expression in non-small cell lung carcinomas (NSCLCs).
Methods : Immunohistochemical analysis of tissue microarray with 112 surgically resected NSCLC specimens, was performed to examine the ezrin expression. We also correlated ezrin expression with other clinicopathological features and prognosis.
Results : The ezrin-positive group revealed significantly higher correlation with pleural invasion (p=0.016) and pathologic stage (p=0.050). Univariate survival analysis showed that ezrin-positive group had a significantly shorter cancer-specific survival than ezrin-negative group (p=0.016). Meanwhile, female (p=0.030), no pleural invasion (p=0.023), no lymphatic invasion (p=0.026), and early pathologic stage (p= 0.008) significantly correlated with longer survival. Multivariate survival analysis showed that variables such as ezrin positivity (p=0.032), female (p=0.035), and early pathologic stage (p=0.001) were independent prognostic factors for NSCLC.
Conclusions : Ezrin might be a molecular marker to predict poor prognosis of NSCLC.
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KEYWORD
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Carcinoma, non-small cell lung, Ezrin, Prognosis
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