Clinicopathological impacts of high c-Met expression in head and neck squamous cell carcinoma: a meta-analysis and review

  • Kim J
  • Kim B
  • Kim H
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Abstract

High c-Met expression has been observed in head and neck squamous cell carcinoma (HNSCC). However, its clinicopathological impact remains controversial. We performed this meta-analysis to evaluate the pathologic and prognostic impacts of c-Met overexpression in patients with HNSCC. A systematic computerized search of the electronic databases was carried out. From 16 studies, 1,948 patients with HNSCC were included in the meta-analysis. Compared with HNSCCs showing low c-Met expression, tumors with high c-Met expression were significantly associated with higher rate of lymph node metastasis (odds ratio = 3.26, 95% CI: 2.27-4.69, P < 0.00001) and higher T stage (odds ratio = 1.33, 95% CI: 1.03-1.71, P = 0.03). In addition, patients with c-Met-high HNSCC showed significantly worse disease-free survival (hazard ratio = 1.49, 95% CI: 1.04-2.14, P = 0.03) and overall survival (hazard ratio = 1.83, 95% CI: 1.29-2.60, P = 0.0007) than those with c-Met-low tumor. In conclusion, this meta-analysis demonstrates that high c-Met expression is significantly associated with worse pathological features and prognosis, indicating c-Met overexpression is an adverse prognostic marker for patients with HNSCC.

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Kim, J. H., Kim, B. J., & Kim, H. S. (2017). Clinicopathological impacts of high c-Met expression in head and neck squamous cell carcinoma: a meta-analysis and review. Oncotarget, 8(68). https://doi.org/10.18632/oncotarget.21303

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