Abstract
ObjectiveTo determine the prevalence rate of malignancy in patients with no prior breast cancer diagnosis who consulted for a solid palpable mass in two hospitals in Bogotá, Colombia. Materials and methodsA descriptive retrospective study conducted between March 2010 and February 2013 at San José and Infantil Universitario de San José hospitals in Bogotá D. C., Colombia. Women 14 years or older with no prior breast cancer diagnosis who consulted for a palpable solid mass, confirmed by physical exam, were included. No exclusion criteria were considered. Data was collected from the clinical records and included in a format created by the researchers. Stata 13 was used for data analysis. ResultsThe mass was confirmed by physical exam in 342 patients and by a biopsy in 307 patients. The prevalence rate for malignancy was 12.2% and for benign masses 71.66%. DiscussionOur prevalence of breast cancer associated with a palpable mass was less than worldwide reported prevalence. The most frequent malignancy was invasive ductal carcinoma in 87% and invasive lobular carcinoma in 6.4% in stage IIA and BI-RADS 4A ultrasound category and BI-RADS 4B mammogram category.
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