期刊
JOURNAL OF SURGICAL RESEARCH
卷 279, 期 -, 页码 533-539出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jss.2022.04.071
关键词
Botswana; Breast cancer; Clinicopathology; LMIC; South Africa
类别
This study compared the clinicopathologic features of women with breast cancer in South Africa, Botswana, and the United States. The results showed that breast cancer patients in South Africa and Botswana were younger and more likely to have advanced stage disease compared to those in the US. Additionally, the occurrence of triple negative disease was highest in Botswana. These findings are important for understanding the epidemiologic trends of breast cancer in sub-Saharan Africa and low- and middle-income countries.
Introduction: This study sought to compare the clinicopathologic features of women with breast cancer presenting in South Africa, Botswana, and the United States (US). Methods: Breast cancer samples from Botswana (n = 384, 2011-2015), South Africa (n = 475, 2016-2017), and the US (n = 361,353, 2011-2012) were retrospectively reviewed. Results: The median age of sub-Saharan African women presenting with breast cancer (age 54 in Botswana and South Africa) was younger than that of those in the US (age 61) (P < 0.001). Sub-Saharan women were more likely to present with advanced stage disease than US counterparts (64.7% in Botswana, 63.3% in South Africa, 13% in the US, P < 0.001). Triple negative disease was highest in Botswana (21.3%) compared to South Africa (11.4%) and the US (12.94%) (P < 0.001). Differences in receptor status at presentation among the three cohorts (P < 0.001) were not observed when the cohorts were stratified by ethnicity. Black/multiracial patients in Botswana and the US were the most likely subsets to present with the adverse characteristic of triple negative disease (21.3% and 23.2%, respectively). No correlation was found between HIV and receptor status in the Botswana (P = 0.513) or South African (P = 0.352) cohorts. Conclusions: Here we report receptor status patterns at presentation in Botswana and South Africa. This study reveals important similarities and differences which may inform policy and provide context for future epidemiologic trends of breast cancer in low- and-middle-income countries particularly in sub-Saharan Africa. (C) 2022 Elsevier Inc. All rights reserved.
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