Breast cancer is the leading cancer affecting the female population, and mammography is very important as screening test to make early diagnosis, the essential BIRADS classification in evaluating the need for further investigation. Thus, this study aims to det ermine the prevalence of findings in mammography examinations in the South of Minas Gerais in Patients of Breast Cancer Information System, based on BIRADS classification in women who undergo mammography in our midst. In order to scale the involvement of the population s erved, as well as cases of breast cancer. For a retrospective study was performed both in the period from August 1, 2012 to September 01, 2015, which selected 13 814 mammographic reports of patients seen by CISAMESP. For data analysis was used database SISMAMA / CISAME SP. the prevalence of the findings through the BI -RADS classification, in addition to analyzing the association with age was estimated. It was observed that 80.15% of the patients studied were normal, 6.73% had inconclusive results, and 13.84% of the breasts with sign ificant changes were in patients aged less than 50 years. Given this and the analysis of other similar studies, it appears that a large portion of suspicious changes found in women over age. However, a significant portion of mammograms that required further evaluation was women under 50 years of age.
Breast Cancer, Mammography, Screening, Prevalence.
