the frequency of the different kinds of ovarian cancer in shahid sadoughi hospital, yazd, iran

background: to investigate the frequency of different types of gynecological tumors among patients who were operated in shahid sadoughi hospital, yazd, iran, for 3 years. material and methods: this study investigated 101 patients with gynecological tumors from march 21.2008 to march 20 2011.. lesions were considered in 5 groups according to the prevalence of malignancy. lymph node and peritoneal involvement were also investigated. results: the mean age±sd at diagnosis was 50.54±12 years. the most prevalent pathologies were serous, musinous, endometrioid and undifferentiated. conclusion: the age group 40-60 years was the most prevalent among other age groups. endometrioid tumor was the most prevalent kind of malignancy and undifferentiated was reported as the least prevalent. keywords: ovarian neoplasms, epidemiology, age, pathology, iran.