Which imaging modality is most frequently used to assess ovarian masses?

Ultrasound is the most frequently used imaging modality to assess ovarian masses because it provides a quick, non-invasive, and highly detailed examination. Ultrasound uses sound waves to create images of the ovaries and can effectively distinguish between cystic (fluid-filled) and solid masses. This distinction is crucial in evaluating the nature of ovarian masses since it helps in identifying benign conditions such as functional cysts or pathologies that may require more intensive intervention.

Additionally, ultrasound is often the first-line imaging tool due to its availability, cost-effectiveness, and absence of ionizing radiation, making it safer for patients. It allows the clinician to visualize blood flow to the ovaries and surrounding structures, further aiding in the assessment of whether a mass is likely benign or malignant.

In contrast, while CT scans and MRIs can provide more detailed images and help in complex cases, they are generally used in specific scenarios, such as when there are signs of malignancy or when surgery is being planned. X-rays are not suitable for evaluating ovarian masses as they do not provide the soft-tissue detail necessary for this purpose.