PROGNOSTIC FACTORS AND SURVIVAL ANALYSIS IN ESOPHAGEAL CARCINOMA

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Abstract

Background:: Despite recent advances in diagnosis and treatment, esophageal cancer still has high mortality. Prognostic factors associated with patient and with disease itself are multiple and poorly explored. Aim:: Assess prognostic variables in esophageal cancer patients. Methods:: Retrospective review of all patients with esophageal cancer in an oncology referral center. They were divided according to histological diagnosis (444 squamous cell carcinoma patients and 105 adenocarcinoma), and their demographic, pathological and clinical characteristics were analyzed and compared to clinical stage and overall survival. Results:: No difference was noted between squamous cell carcinoma and esophageal adenocarcinoma overall survival curves. Squamous cell carcinoma presented 22.8% survival after five years against 20.2% for adenocarcinoma. When considering only patients treated with curative intent resection, after five years squamous cell carcinoma survival rate was 56.6 and adenocarcinoma, 58%. In patients with squamous cell carcinoma, poor differentiation histology and tumor size were associated with worse oncology stage, but this was not evidenced in adenocarcinoma. Conclusion:: Weight loss (kg), BMI variation (kg/m²) and percentage of weight loss are factors that predict worse stage at diagnosis in the squamous cell carcinoma. In adenocarcinoma, these findings were not statistically significant. Racional:: Apesar dos avanços recentes nos métodos diagnósticos e tratamento, o câncer de esôfago mantém alta mortalidade. Fatores prognósticos associados ao paciente e ao câncer propriamente dito são pouco conhecidos. Objetivo:: Investigar variáveis prognósticas no câncer esofágico. Métodos:: Pacientes diagnosticados entre 2009 e 2012 foram analisados e subdivididos de acordo com tipo histológico (444 carcinomas espinocelulares e 105 adenocarcinomas), e então características demográficas, anatomopatológicas e clínicas foram analisadas. Resultados:: Não houve diferença entre os dois tipos histológicos na sobrevida global. Carcinoma espinocelular apresentou sobrevida de 22,8% em 5 anos, contra 20,2% de adenocarcinoma. Quando considerado somente os tratados com operação com intenção curativa, sobrevida em cinco anos foi de 56,6% para espinocelular e 58% para adenocarcinoma. Para o subtipo espinocelular, tumores pouco diferenciados e extensão tumoral mostraram associação com pior estadiamento oncológico, o que não foi verificado para adenocarcinoma. Conclusão:: Perda de peso, variação de IMC e porcentagem de perda de peso foram fatores associados ao pior estadiamento oncológico para espinocelular, o que não se confirmou para adenocarcinoma.

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APA

Tustumi, F., Kimura, C. M. S., Takeda, F. R., Uema, R. H., Salum, R. A. A., Ribeiro-Junior, U., & Cecconello, I. (2016). PROGNOSTIC FACTORS AND SURVIVAL ANALYSIS IN ESOPHAGEAL CARCINOMA. Arquivos Brasileiros de Cirurgia Digestiva : ABCD = Brazilian Archives of Digestive Surgery, 29(3), 138–141. https://doi.org/10.1590/0102-6720201600030003

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