FIELD CANCERIZATION IN HEAD AND NECK SQUAMOUS CELL CARCINOMA: immunohistochemical expression of p53 and Ki67 proteins: clinicopathological study

Autores

  • Marcos Vinício Macedo de Oliveira
  • Carlos Alberto de Carvalho Fraga
  • Camila Santos Pereira
  • Lucas Oliveira Barros
  • Erica Silva Oliveira
  • André Luiz Sena Guimarães
  • Alfredo Maurício Batista de Paula

DOI:

https://doi.org/10.7213/aor.v6i1.23198

Palavras-chave:

Squamous cell carcinoma, Head and neck, p53, Ki67, Morphological gradation

Resumo


OBJECTIVE: This study is aimed to evaluate the immunostaining influence of p53 and Ki67 proteins inareas of field cancerization of head and neck squamous cell carcinoma (HNSCC). We analyzed associationsof these proteins with clinicopathological parameters and the relation between their immunoexpression inHNSCC. MATERIAL AND METHOD: In a retrospecive analysis, 40 patients with HNSCC were selectedaccording to the recurrence of the disease, forming two groups: recurrent and non-recurrent HNSCC.Morphological gradations and imunnohistochemical analysis of p53 and Ki67 were performed in invasivefront and tumor adjacent epithelium. RESULTS: It was found significant associations between tumor recurrenceand p53 positivity in mucosa and invasive front. However, no association was found between p53immunostaining and the clinicopathological parameters. Ki67 was not related to any clinicopathologicalparameter either. The association between Ki67 and p53 expression was not significant. There was no significant inluence of recurrence in the clinicopathological parameters. Individuals with T1/T2 tumor size, non-recurrentand p53-negative in tumor adjacent epithelium presented better overall survival of HNSCC. CONCLUSION:p53 positivity in adjacent epithelium and invasive front of recurrent HNSCC is suggested in this study.

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Publicado

2010-11-29

Como Citar

Oliveira, M. V. M. de, Fraga, C. A. de C., Pereira, C. S., Barros, L. O., Oliveira, E. S., Guimarães, A. L. S., & Paula, A. M. B. de. (2010). FIELD CANCERIZATION IN HEAD AND NECK SQUAMOUS CELL CARCINOMA: immunohistochemical expression of p53 and Ki67 proteins: clinicopathological study. Archives of Oral Research, 6(1). https://doi.org/10.7213/aor.v6i1.23198

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