Epidemiological Profile and Trends of Breast Cancer in the Municipalities of Belém and Ananindeua, Pará State, Amazon

Introduction: Breast cancer is a public health problem, characterized by an uncontrolled growth of malignant cells in breast tissue and the most common type of cancer among women, representing one of the main causes of death in the world.

Objective: To carry out an epidemiological profile and trend of breast cancer in the municipalities of Belém and Ananindeua, state of Pará, Amazonia.

Methods: This is an ecological, time-series, retrospective, descriptive, quantitative and analytical study, where data were collected from the Population-Based Cancer Registry/State Department of Public Health of the State of Pará in partnership with the Ophir Loyola Hospital (RCBP/SESPA/HOL).

Results: The sociodemographic profile, the variable married (marital status) had the highest number of cases and percentage in 1712 (37%), followed by data without information 1214 (26%), followed by the single variable with 1079 (23%). In addition, the brown race was in first place with 1627 (35%) total cases, in schooling the data without information had the highest quantity in 1638 (35%), followed by high school (Old High School) in 1172 (25%). In tumor morphology, infiltrating ductal carcinoma was significant in 3309 (71%), followed by carcinoma without other specifications (NOS) with 284 (6%), in third place malignant neoplasm in 245 (5%). Regarding topography, in the total number of cases, breast was in first place with 2779 (60%), then the upper outer quadrant of the breast in 727 (16%), in third place invasive lesion of the breast 515 (11%), while in the two municipalities Belém had higher cases 3872, compared to Ananindeua 787.

Conclusion: The data presented, as well as the epidemiological indicators of breast cancer, such as the trend of the disease, the coefficients of determination, correlation and mortality, were significant, thus elucidating a public health problem, since the epidemiological panorama in the cities of Belém and Ananindeua is increasing.