ABSTRACT. This paper was based in data survey from macro and microscopic oral lesions characteristics, personal data and medical history of patients diagnosed with oral squamous cell carcinoma in the Lab of Pathological Anatomy from the Federal University of Alfenas from January 2000 to December 2010, establishing comparative parameters among clinical data, type of treatment, recurrence, survival and anatomic pathological characteristics of the lesions. Were analyzed the histopathological reports, dental and hospital records. The highest incidence was in white men, age between 50 and 60 years, married, with low education and socioeconomic levels. The beginning of treatment occurred in average 67 days after the histopathological diagnosis. The estimated survival of patients at five years was 42%. The consumption of alcohol and tobacco and the occurrence of metastasis were statistically significant for the increase of recurrence and lethality.Keywords: squamous cell carcinoma, oral cancer, oral pathology, epidemiology, prognosis, analysis of survival.Carcinoma de células escamosas da boca: sobrevida, recidiva e óbitos RESUMO. O estudo realizou levantamento das características macro e microscópicas das lesões bucais, dados pessoais e históricos dos pacientes diagnosticados com carcinoma de células escamosas da boca no Laboratório de Anatomia Patológica da Universidade Federal de Alfenas entre janeiro de 2000 e dezembro de 2010. Estabeleceram-se parâmetros comparativos entre os dados clínicos, tipo de tratamento, recidivas, sobrevida e características anatomopatológicas das lesões. Foram analisados os laudos histopatológicos e os prontuários odontológicos e hospitalares. A maior incidência ocorreu em homens brancos, com idade entre 50 e 60 anos, casados, com baixa escolaridade e nível socioeconômico. O início do tratamento ocorreu, em média, 67 dias após o diagnóstico histopatológico. A sobrevida estimada dos pacientes aos cinco anos foi de 42%. O consumo de álcool e tabaco e a presença de metástases foram estatisticamente significativos para o aumento da recidiva e da letalidade.Palavras-chave: carcinoma de células escamosas, câncer da boca, patologia bucal, epidemiologia, prognóstico, análise de sobrevida.
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