Epidemiology of Female Breast Cancer in Ogun State: Intra- and Inter-regional Discuss

Abstract

This study determined the prevalence of breast cancer in relation to age, reproductive status and population of Ogun State. Out of a total of 816 human cancer presentations observed between 2012 and 2016, 334 (40.9%) female breast cancer (with age range= 23 to 95 years and mean age= 50.3 years) were retrospectively reviewed. Result revealed five breast cancer types: Invasive ductal carcinoma (IDC), ductal carcinoma in situ (DCIS), Paget cell disease, medullary carcinoma and mucinous carcinoma. Invasive ductal carcinoma was the predominant breast cancer type (94.9%) while year 2016 had the highest number of breast cancer presentations (47%) at p<0.001). Result also showed that age range of 41-50 years and 61-70 years had the highest prevalence and incidence of breast cancer, respectively (p<0.001). Reproductive age (23-45 years) had the highest frequency of invasive ductal carcinoma and Paget cell disease when compared with other age groups (p<0.001). Result also showed interesting differences in prevalence of breast cancer types in Ogun State compared with other regions.