Background: Malignant ovarian lesions are common female reproductive system tumors, they represent the second most common gynecological tumor and the sixth most frequent tumor in female patients, most of the ovarian malignant lesions are epithelial in origin representing about 90% of cases, the rest 10% are originate from germ cells, sex cords and the stroma of ovary.

Malignant ovarian lesion can be unilateral or bilateral, with or without peritoneal deposits (omental cake), regional or distant lymph nodes metastasis or another organ metastasis.

Aim: To evaluate the radiological characteristics of different malignant ovarian lesions and to assess presence of local, regional or distant metastasis.

Method: Our study will collect radiology findings and reports of female patients with Malignant ovarian lesions at radiology department at royal medical services during the 2023-2024 period.