Características clínicas y demográficas de los pacientes con Cáncer de Mama Triple Negativo que recibieron quimioterapia neoadyuvante y tratamiento quirúrgico en el Instituto Nacional de Enfermedades Neoplásicas entre los años 2009-2014
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AuthorsFortes Fortes, Pedro Pablo
AdvisorsMorante Cruz, Zaida
Neciosup Delgado, Silvia Patricia
Soto Tarazona, Alonso Ricardo
AffiliationUniversidad Peruana de Ciencias Aplicadas (UPC)
MetadataShow full item record
Citation1. Fortes Fortes PP. Características clínicas y demográficas de los pacientes con Cáncer de Mama Triple Negativo que recibieron quimioterapia neoadyuvante y tratamiento quirúrgico en el Instituto Nacional de Enfermedades Neoplásicas entre los años 2009-2014. [Lima, Perú]: Universidad Peruana de Ciencias Aplicadas (UPC); 2018.
AbstractObjective: Describe the sociodemographic and clinical characteristics of patients with triple-negative breast cancer, who underwent neoadjuvant chemotherapy and subsequent surgical intervention treated at the Instituto Nacional de Enfermedades Neoplásicas (INEN). Methods: A retrospective cohort study that included 175 patients with triple negative breast cancer, treated between 2009 and 2014, who underwent neoadjuvant chemotherapy and surgical intervention at the INEN. Through the development of a data collection form, we proceeded to obtain sociodemographic and clinical information. Pathological response was recorded from patient charts, based on the Miller-Payne classification, which assigns a histological grade based on the presence or absence of tumor cells. We used measures of central tendency and dispersion for the description of numerical variables, while absolute frequencies and percentages were used for categorical variables. Results: 175 patients were included, with an average age was 47.5 years (SD ±11.1). 47.4% of the patients had a positive family history of cancer. 45.7% of patients treated had a stage IIIB breast cancer. The most used chemotherapy regimen was paclitaxel, adriamycin and cyclophosphamide (52.6%). Of the 175 patients treated 22.9% had pathological complete response. The 5-year overall survival rate was 53.1%, with a median survival time of 2.87 years. Conclusions: The prevalence of breast cancer is high amongst the Latin-American population, especially young women. Triple negative breast cancer is exceedingly aggressive in comparison to other types of breast cancer. Despite advances in targeted therapy for breast cancer, the overall survival in triple negative breast cancer is inferior to other subtypes of breast cancer.
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