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Medicina Oral, Patología Oral y Cirugía Bucal (Ed. impresa)

versión impresa ISSN 1698-4447

Resumen

GARCIA-MONTESINOS PEREA, Belén; VAL BERNAL, José Fernando  y  SAIZ BUSTILLO, Ramón. Epidermoid carcinoma of the lip: An immunohistochemical study. Med. oral patol. oral cir. bucal (Ed.impr.) [online]. 2005, vol.10, n.5, pp.454-461. ISSN 1698-4447.

Objectives: To determine the expression of the c-erb-B2, p53, bcl-2, Ki67 and CD44varV6 proteins, and to establish their prognostic value in epidermoid carcinoma of the lip. Study design: Immunohistochemical study of the c-erb-B2, p53, bcl-2, Ki67 and CD44varV6 proteins in 79 epidermoid carcinomas of the lip, diagnosed and treated over a period of 20 years. The data obtained were subjected to uni- and multi-variate statistical analyses. Results: Immunostaining was positive in 75% of cases for c-erb-B2 protein, in 70.6% for p53 protein, in 3.8% for bcl-2 protein and in 89.9% for adhesion molecule CD44varV6. Ki67 protein expression varied between a minimum of 0% and a maximum of 6.29%. Most immunohistochemical factors analyzed presented no prognostic value for epidermoid carcinoma of the lip. Only those patients affected by this type of tumor that expressed the adhesion molecule CD44varV6 were significantly associated with a greater survival calculated by means of Kaplan-Meier analysis. Conclusions: The immunohistochemical techniques analyzed for the anatomicopathological study of epidermoid carcinoma of the lip should not routinely be used due to their high cost and low utility in daily clinical practice.

Palabras clave : Immunohistochemistry; cancer of the lip; epidermoid carcinoma; c-erb-B2; p53; bcl-2; Ki67; CD44.

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