Clinical characteristics and outcomes of older women with breast cancer in Mexico
Por:
Cabrera-Galeana P., Soto-Perez-de-Celis E., Reynoso-Noverón N., Villarreal-Garza C., Arce-Salinas C., Matus-Santos J., Ramírez-Ugalde M.T., Alvarado-Miranda A., Meneses-García A., Lara-Medina F., Torres-Dominguez J., Bargalló-Rocha E., Mohar A.
Publicada:
1 ene 2018
Ahead of Print:
1 ene 2018
Resumen:
Introduction: Although the epidemiology of breast cancer in older women has been widely described before, little is known about the clinical characteristics and prognosis of older patients living in developing countries. Here, we studied older women with breast cancer treated at a public cancer center in Mexico City, and compared their outcomes with their younger counterparts. Materials and Methods: We retrospectively analyzed a database of 5488 women treated for breast cancer at a single institution. We compared clinical characteristics, treatment and survival between women aged <65 and =65 years of age. Survival analyses were performed for each molecular subtype. Results: 851 women (15.5%) were =65 years of age, of which 45% presented with Stages III–IV disease. Compared with their younger counterparts, older women had lower grade disease, a larger proportion of hormone receptor positive tumors, and were less likely to receive both chemotherapy and radiotherapy. At 5 years, no differences in both disease free and overall survival were found between younger and older women in a multivariate model including stage, grade, tumor subtype and treatment received. Conclusions: In contrast with reports from high-income countries, older women with breast cancer in developing nations present with more advanced disease requiring more aggressive treatment. Strategies aimed at earlier detection, improved access to care, and downstaging among older adults are greatly needed in Mexico and in the rest of the developing world. © 2018
Filiaciones:
Cabrera-Galeana P.:
Departamento de Tumores Mamarios, Instituto Nacional de Cancerología, Mexico City, Mexico
Instituto Nacional de Cancerología, Mexico City, Mexico
Soto-Perez-de-Celis E.:
Departamento de Tumores Mamarios, Instituto Nacional de Cancerología, Mexico City, Mexico
Department of Geriatrics, Instituto Nacional de Ciencias Médicas y Nutriciõn Salvador Zubirán, Mexico City, Mexico
Instituto Nacional de Cancerología, Mexico City, Mexico
Reynoso-Noverón N.:
Departamento de Tumores Mamarios, Instituto Nacional de Cancerología, Mexico City, Mexico
Instituto Nacional de Cancerología, Mexico City, Mexico
Villarreal-Garza C.:
Departamento de Tumores Mamarios, Instituto Nacional de Cancerología, Mexico City, Mexico
Instituto Tecnológico de Monterrey, Monterrey, Mexico
Instituto Nacional de Cancerología, Mexico City, Mexico
Arce-Salinas C.:
Departamento de Tumores Mamarios, Instituto Nacional de Cancerología, Mexico City, Mexico
Instituto Nacional de Cancerología, Mexico City, Mexico
Matus-Santos J.:
Departamento de Tumores Mamarios, Instituto Nacional de Cancerología, Mexico City, Mexico
Instituto Nacional de Cancerología, Mexico City, Mexico
Ramírez-Ugalde M.T.:
Departamento de Tumores Mamarios, Instituto Nacional de Cancerología, Mexico City, Mexico
Instituto Nacional de Cancerología, Mexico City, Mexico
Alvarado-Miranda A.:
Departamento de Tumores Mamarios, Instituto Nacional de Cancerología, Mexico City, Mexico
Instituto Nacional de Cancerología, Mexico City, Mexico
Meneses-García A.:
Instituto Nacional de Cancerología, Mexico City, Mexico
Lara-Medina F.:
Departamento de Tumores Mamarios, Instituto Nacional de Cancerología, Mexico City, Mexico
Instituto Nacional de Cancerología, Mexico City, Mexico
Torres-Dominguez J.:
Departamento de Tumores Mamarios, Instituto Nacional de Cancerología, Mexico City, Mexico
Instituto Nacional de Cancerología, Mexico City, Mexico
Bargalló-Rocha E.:
Departamento de Tumores Mamarios, Instituto Nacional de Cancerología, Mexico City, Mexico
Instituto Nacional de Cancerología, Mexico City, Mexico
Mohar A.:
Unidad de Investigación Biomédica en Cáncer, Instituto Nacional de Cancerología e Instituto de Biomédicas, Mexico City, Mexico
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