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Associação de marcadores de proliferação e de apoptose com a resposta à radioterapia e sua importância prognóstica em carcinoma epidermóide de palato mole / Proliferation and apoptosis markers in association with radiotherapy response and their prognostic in squamous cell carcinoma of soft palate
São Paulo; s.n; 2007. 134 p. ilus, tab, graf.
Thesis in Portuguese | LILACS | ID: lil-461232
RESUMO
Carcinoma epidermóide de palato mole (CECPM) é raro e a radioterapia exclusiva é freqüentemente utilizada no tratamento para evitar as seqüelas do tratamento cirúrgico. O objetivo deste trabalho foi avaliar a função de alguns marcadores tumorais na avaliação da resposta à radioterapia em portadores de CECPM. Foram revisados os registros de 73 pacientes com CECPM tratados entre 1970 a 2000 com radioterapia exclusiva. A média de idade foi de 60 anos e a grande maioria dos pacientes eram homens, usuários de tabaco e álcool e apresentavam tumores em estádios avançados. Não foi observada relação entre a expressão de p53, Ki-67, Bcl-2 e Bax e os fatores demográficos, clínicos e histológicos. A sobrevida atuarial em 5 anos foi de 27,1 por cento e mostrou que pacientes com estádios clínicos iniciais tiveram melhor prognóstico.
ABSTRACT
Soft palate squamous cell carcinoma (SPSCC) is rare, and radiotherapy is the most used therapy aiming to avoid the functional sequelae of surgical ablation. The purpose of this study was to evaluate the role of several biologic tumor markers in the assessment of response to radiotherapy in SPSCC. The medical records of 73 patients with SPSCC treated from 1970 to 2000 with radiotherapy alone were reviewed. The mean age was 60 years and the majority was male, tobacco and alcohol consumption, and advanced stage tumors. No relationship was observed between immunostaining for p53, Ki-67, Bcl-2 and Bax to demographic, clinical and histological factors. The five-year actuarial survival, was 27,1 per cent and showed that patients with earlier stage tumors had a better prognosis.
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Index: LILACS (Americas) Main subject: Palate, Soft / Mouth Neoplasms / Carcinoma, Squamous Cell Type of study: Prognostic study / Risk factors Limits: Humans Language: Portuguese Year: 2007 Type: Thesis

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Index: LILACS (Americas) Main subject: Palate, Soft / Mouth Neoplasms / Carcinoma, Squamous Cell Type of study: Prognostic study / Risk factors Limits: Humans Language: Portuguese Year: 2007 Type: Thesis