Abstract
OBJECT: The relevance of the article is that the breast cancer is a leading oncological disease in women in developed countries and has the highest mortality caused by malignant neoplasms in women. The purpose of the study is to evaluate vaginal microbiota in women with various breast cancer subtypes and compared groups. METHODS: The study involved 278 women with breast cancer, of whom 174 were patients receiving combination therapy; the control group consisted of 104 patients who had had breast cancer 2-4 years ago. RESULTS: It was found that despite a significant decrease in the total number of Lactobacillus spp., there were no statistically significant changes in the numbers of microorganisms in patients with different subtypes of breast cancer. According to the results of the comparative analysis, the representatives of obligate anaerobic flora Peptostreptococcus spp. prevailed in vaginal microbiota in luminal A and luminal B subtypes, and the representative of the facultative anaerobic organisms Staphylococcus spp. - in unfavourable outcomes in Her2/Neu+ and triple-negative subtypes. CONCLUSION: The observed features of the vaginal microbiota in women with different subtypes of breast cancer require further studies for preventive purposes.
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