Abstract
OBJECTIVETo assess findings of mammography of and interventions resulting from breast cancer screening in women aged 40-49 years with no increased risk (typical risk) of breast cancer.METHODSThis cross-sectional study evaluated women aged 40-49 years who underwent mammography screening in a mastology reference center in Recife, PE, Northeastern Brazil, between January 2010 and October 2011. Women with breast-related complaints, positive findings in the physical examination, or high risk of breast cancer were excluded.RESULTSThe 1,000 mammograms performed were classified into the following Breast Imaging-Reporting and Data System (BI-RADS) categories BI-RADS 0, 232; BI-RADS 1, 294; BI-RADS 2, 294; BI-RADS 3, 16; BI-RADS 4A, 2; BI-RADS 5, 1. There was one case of grade II invasive ductal carcinoma and various interventions, including 469 ultrasound scans, 53 referrals to mastologists, 11 cytological examinations, and 8 biopsies.CONCLUSIONSMammography screening in women aged 40-49 years with typical risk of breast cancer led to the performance of other interventions. However, it also resulted in increased costs without demonstrable efficacy in decreasing mortality.
Highlights
The annual incidence of breast cancer varies widely worldwide, from 19.3 per 100,000 women in East Africa to 89.9 per 100,000 in Western Europe.[4]
The rates are higher in developed countries, in recent years, breast cancer incidence has increased in developing countries.[4]
With regard to patients’ location, 827 (82.7%) patients were from the Recife Metropolitan Area, 171 (17.1%) were from other cities in Pernambuco, and two (0.2%) came from other states
Summary
The annual incidence of breast cancer varies widely worldwide, from 19.3 per 100,000 women in East Africa to 89.9 per 100,000 in Western Europe.[4]. Mammography is the best method for the early diagnosis of breast cancer, demonstrating a 15.0%-25.0% reduction in mortality among women undergoing breast cancer screening.[6] Monthly breast self-examination could be an alternative to mammography screening owing to its simplicity and low cost.[8] there is no evidence that it leads to decreased mortality. This practice is being abandoned because it causes more harm than good, such as unnecessary anxiety among women.[10] Magnetic resonance imaging is recommended for screening only in women at high risk of breast cancer.[9]
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