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Relevância clínica dos carcinomas de grande células pulmonares com relação às características neuroendócrinas, biomoleculares e estromais / Neuroendocrine and biologic features of primary tumors and tissue in pulmonary large cell carcinomas
São Paulo; s.n; 2003. [134] p. ilus, tab.
Thesis in Portuguese | LILACS | ID: lil-409028
RESUMO
Avaliou-se p21 e outros marcadores em espécimes cirúrgicos de 61 pacientes com carcinoma de grande células de pulmão. Utilizamos imunohistoquímica para avaliar a proteína p21 e a densidade de microvasos. A análise através do modelo multivariado de Cox mostrou que após o tratamento cirúrgico, o subtipo histológico foi significante com relação a sobrevida (p=0.02), mas a quantificação do tumor para o p21 e a densidade de microvasos adicionaram importante informação ao estudo do prognóstico e foram fatores mais fortemente relacionados com a sobrevida do que o subtipo histológico (P=0.00).We examined p21waf1/cip1 and other markers in tissue from 61 patients with surgically excised large cell carcinoma. We used immunohistochemistry and morphometry to evaluate the amount of tumor staining for p21waf1/cip1 and microvessel density. The study outcome was survival time until death from recurrent lung cancer. Multivariate Cox model analysis demonstrated that after surgical excision control, histologic subtypes were significantly related to survival time (P=0.02), but quantitative staining of the tumor for p21waf1/cip1 and microvessel density added prognostic information and were more strongly prognostic than histologic subtype (P=0.00)...
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Index: LILACS (Americas) Main subject: Carcinoma, Neuroendocrine / Carcinoma, Large Cell Type of study: Observational study / Prognostic study Limits: Humans Language: Portuguese Year: 2003 Type: Thesis

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Index: LILACS (Americas) Main subject: Carcinoma, Neuroendocrine / Carcinoma, Large Cell Type of study: Observational study / Prognostic study Limits: Humans Language: Portuguese Year: 2003 Type: Thesis