For women with known risk factors for ovarian cancer, transvaginal ultrasound continues to be the initial and the most promising imaging modality for ovarian cancer screening. Ultrasound (both gray-scale and Doppler) is considered the modality of choice for initial evaluation of an ovarian mass.
The features suggestive of ovarian malignancy on all cross-sectional imaging modalities (ultrasound, computed tomography, and MRI) include septations greater than 3 mm in thickness, mural nodu-larity, and the presence of papillary projections. Unilocular or multilocular ovarian cystic lesions without solid parts are more likely to be benign.
MR imaging is considered to be a problem-solving technique in the characterization of adnexal masses.
CT is the modality of choice in staging and preoperative planning for ovarian cancer.
The role of FDG-PET in combination with CT in the evaluation of ovarian cancer has been growing rapidly, with recognized advantages in the evaluation of tumor recurrence.
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