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Revista Española de Cirugía Oral y Maxilofacial
versão On-line ISSN 2173-9161versão impressa ISSN 1130-0558
Resumo
CAPOTE MORENO, A. et al. Prognostic factors in primary malignant salivary gland neoplasms: A 20-year retrospective study. Rev Esp Cirug Oral y Maxilofac [online]. 2005, vol.27, n.5, pp.287-295. ISSN 2173-9161.
Objective. To analyze the possible prognostic factors for survival and disease-free survival in a group of patients with primary malignant salivary gland tumors. Design. Seventy-five patients with salivary gland carcinomas were studied retrospectively from 1980 to 2003. All cases were initially treated with surgery. Postoperative radiotherapy was applied in 52% of the patients. Survival and disease-free survival were analyzed with the Kaplan-Meier method. The association between the different prognostic factors and survival was studied with the Log Rank test for univariate analysis and the Cox proportional model for multivariate analysis. Results. The 5-year and 10-year crude survival rates were 74.9% and 63% and cause-specific survival rates were 77.7% and 65.3% respectively. The 5-year and 10-year disease-free survival rates were 51.8% and 43.2%. Tumor location, sex, pathologic stage, tumor size, facial palsy, perineural spread and vascular spread showed statistical significance in survival and recurrence (p<0.05). Facial palsy and vascular spread were prognostic factors in the multivariate analysis. Conclusion. In our group of patients, facial palsy and vascular spread are the most important factors for survival and recurrence. Postoperative radiotherapy does not appear to improve the prognosis of our patients.
Palavras-chave : Salivary Gland Carcinoma; Survival; Disease-Free Survival; Facial Palsy.