Objective To explore the angiogensis in epithelial ovarian neoplasms and the relationship among angiogenesis and clinical stage, the histological type and pathological grade of epithelial ovarian carcinomas. Methods The microvessel density (MVD) was examined in 74 cases of epithelial ovarian neoplasm and 20 nomal samples by using immunohistochemical SP method. Results MVD increased gradually from benign to borderline malignancy and ovarian carcinomas, and MVD there was a significant difference in between the borderline malignancies and benign tumors or normal tissues(P