Ovarian cancer mortality rates hold a leading position among women’s cancer, which is primarily associated with the pathogenetic features of ovarian cancer, the heterogeneity of the disease, the lack of effective screening and diagnostic methods for early cancer detection. The causes of most ovarian tumors remain unknown. Ovarian benign tumors and tumor-like formations are not among the risk factors of ovarian cancer. The purpose of this literature review is to highlight the latest data from world expert organizations on the possibilities of ovarian neoplasm diagnosis and treatment.