factores pronósticos relacionados con la supervivencia del cáncer de mama prognostic factors related to breast cancer survival

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ID: 253920
2008
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Abstract
OBJETIVO: Evaluar los factores pronósticos del cáncer de mama en mujeres mexicanas. MATERIAL Y MÉTODOS: Se incluyó a 432 mujeres con cáncer de mama admitidas de 1990 a 1999 en el Hospital General de México para evaluar la supervivencia mediante las técnicas de Kaplan-Meier y los métodos de riesgos proporcionales de Cox. RESULTADOS: La supervivencia global a cinco años fue de 58.9%. La menor supervivencia corresponde a los estadios clínicos IIIB (47.5%), IIIA (44.2%) y IV(15%), la metástasis hematógena fue de 21.4% y el tumor positivo en bordes quirúrgicos de 12.5%. La invasión linfovascular (RR= 1.9; IC95% 1.3-2.8), el estadio clínico IV (RR= 14.8; IC95% 5.5-39.7) y el tumor en bordes quirúrgicos (RR= 2.4; IC95% 1.2-4.8) fueron los principales factores pronósticos. CONCLUSIONES: Estos resultados dan consistencia a los criterios de diagnóstico y tratamiento de las mujeres con cáncer de mama atendidas en México y toman en consideración las condiciones de la tumoración, como extensión de la malformación, etapa clínica y estado de los ganglios linfáticos antes de decidir la conducta terapéutica inicial.
OBJECTIVE: To evaluate prognostic factors for breast cancer in Mexican women. MATERIAL AND METHODS: Four hundred and thirty two women with breast cancer, admitted from 1990 to 1999 to the General Hospital of Mexico, were included to evaluate their survival using the Kaplan-Meier technique and Cox proportional hazard method. RESULTS: Overall 5-year survival was 58.9%. The shortest survival rate corresponds to the clinical stage (IIIB, 47.5%; IIIA, 44.2%; and IV, 15%), the haematological metastasis (21.4%) and surgical edges with positive tumor (12.5%). Lymph node-positive (RR, 1.9; IC95%, 1.3-2.8), clinical stage IV (RR, 14.8; IC95%, 5.5-39.7) and surgical edges with positive tumor (RR, 2.4; IC95%, 1.2-4.8) were the central prognostic factors. CONCLUSIONS: These results give consistency to diagnostic and therapeutic criteria for women with breast cancer who receive medical attention in Mexico, taking into consideration the characteristics of the tumor -such as extension, clinical stage and status of the lymph nodes- before making a decision as to the initial therapy.
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Authors ;Lourdes Flores-Luna;Eduardo Salazar-Martínez;Reyna Margarita Duarte-Torres;Gabriela Torres-Mejía;Patricia Alonso-Ruiz;Eduardo Lazcano-Ponce
Journal journal of anatomy
Year 2008
DOI
DOI not found
URL
http://www.scielo.org.mx/scielo.php?script=sci_arttext&pid=S0036-36342008000200005
Keywords
Breast cancer survival mexico prognostic factors cáncer de mama mexicopublic aspects of medicine clinical stage

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