This study aim to evaluate the value of the IOTA ADNEX model in the diagnosis of benign - malignant levels of ovarian tumors at K hospital. Marterial and Methods: The propestive study was conducted on 54 patients from December 2020 to May 2021 at K hospital with clinical suspicion of ovarian tumor, were taken preoperative ultrasound and were collected data according to the IOTA ADNEX model, then were operated and diagnosed with ovarian tumor.