Background: Breast cancer mortality remains high in the majority of developing countries. The Ministry of Health has established two population-based cancer registries in Benin: the first one in Cotonou in 2014 and the second one in Parakou in 2017. However, there is a scarcity of data on breast cancer survival and prognosis in Benin Republic. Objective: This study sought to investigate epidemiological, diagnostic, and survival aspects of breast cancer in Parakou, based on data from its population-based cancer registry from 2017 to 2021. Method: For descriptive and analytical purposes, we used a retrospective cohort design. From January 24, 2022 to August 31, 2022, data were collected in all health facilities covered by the Parakou population-based cancer registry using an individual questionnaire. Survival and prognosis analysis were performed using KAPLAN MEIER method and David COX proportional hazard model respectively. Result: A total of 81 patients have been included in this study. The incidence rate of breast cancer in Parakou was 17.5 per 100,000 person-years with a mortality rate of 2.76 per 100,000 person-years. The median age at diagnosis was 44.

Background: Women well-informed regarding breast cancer are often most conscious about their breast health and would therefore seek medical attention when detecting the initial symptoms. Objective: This study sought to identify factors associated with a good level of knowledge regarding breast cancer among women in the commune of Parakou in 2021. Method: This was a prospective cross-sectional study with descriptive and analytical purposes, carried out from June 5 to August 5, 2022, among women residing in the first district of the commune of Parakou. A pre-designed questionnaire set up with the Kobotoolbox server was used for data collection through a cluster survey sampling technique. Pearson's chi-square test was implemented to determine associations between variables. Result: A total of 630 women were included in this study. The prevalence of women well-informed about breast cancer was 21.75% (95% CI = [18.70 -25.13]). Factors associated with good knowledge regarding breast cancer were age group (p-value < 0.001), school level (p-value < 0.001), occupation (p-value < 0.001), and regular attendance at a health facility (p-value < 0.001). Conclusion: Several women remain unaware of breast cancer in the commune of Parakou. A huge effort is still needed to increase the level of coverage of information regarding breast cancer and its prevention methods.

Background: Breast cancer is a life-threatening pathology affecting women across the world. Evidence suggests deficiency of knowledge and numerous sociodemographic factors contribute to delayed medical attention seeking behavior whether initial symptoms of breast cancer go undetected. Objective: This study aimed to assess knowledge, attitudes and practices regarding breast cancer among Parakou University female students in 2021. Method: This was a cross-sectional study with descriptive and analytical purposes, carried out on the campus of the University of Parakou, from June 14 to July 2, 2021. Data collection was performed through an individual online questionnaire, designed with KoBoCollect version 1.29.3. Data analysis was implemented with EPI INFO VERSION 7.1.3.3 software. Result: A total of 200 students meeting the inclusion criteria participated in this study. Among them, 20.5% had never heard about breast cancer. Non practice of breast cancer screening (breast self-examination) prevalence was 80%. Factors favoring non practice of breast cancer screening were: ethnicity, religion, not adhering to screening ideas, not committing to educating family and friends about screening. Factors promoting breast cancer screening practice were: having ever heard about breast cancer, being able to point to breast cancer symptoms, having adequate knowledge of breast cancer screening methods, having a good knowledge of the late-stage screening drawbacks. Conclusion: Some young women with high school level are still unaware of breast cancer and do not practice screening.

Background: Angiosarcoma is an endothelial malignant tumor; angiosarcoma located in the breast is extremely rare, less than 0.01%. We report a case of a giant angiosarcoma diagnosed postmortem in a 16-year-old girl in a resource-constrained country. Case presentation: A 16-year-old black African girl was admitted for altered consciousness and a left breast tumor. She was admitted in a state of apparent death. Her death was confirmed on clinical examination. A postmortem biopsy of the mammary tumor showed standard histology of a proliferation of fusiform or rounded tumor cells in places, which were not very cohesive with marked anisokaryosis and numerous foci of tumor necrosis. Immunohistochemistry showed a positivity of CD31 and factor VIII markers with a proliferation index (Ki-67) estimated at 30%. Conclusion: Primary angiosarcoma of the breast is exceptional in adolescents and has a poor prognosis, especially in countries with limited resources.