What imaging tests are used to stage Ovarian Cancer

Ovarian CancerMay 17, 2026Navis AI

For informational purposes only

This answer was generated by AI grounded in NCCN guidelines and published medical literature. It is not medical advice. Always consult your oncologist or care team before making treatment decisions.

Imaging Tests for Ovarian Cancer Staging

When you're diagnosed with ovarian cancer, imaging plays a crucial role in determining the extent of disease—a process called staging. This helps your oncology team understand how far the cancer has spread and plan the most appropriate treatment. Let me walk you through the main imaging options.

Primary Imaging Tests

Abdominal/Pelvic CT or MRI According to the NCCN Guidelines for Ovarian Cancer, these are the standard imaging tests for staging. Here's what they do:

CT (Computed Tomography): Uses X-rays to create detailed cross-sectional images of your abdomen and pelvis. It's performed with contrast (dye) unless you have a contraindication (medical reason not to use it). CT is particularly useful for detecting metastases (cancer spread) to distant organs and assessing whether the cancer can be surgically removed.
MRI (Magnetic Resonance Imaging): Uses magnetic fields instead of radiation to create detailed images. It's especially helpful if you have kidney problems, as it can be done with gadolinium contrast instead of iodinated contrast. MRI provides comparable accuracy to CT for staging and predicting how much tumor volume is present.

Key Point: Both CT and MRI should be performed with contrast unless medically contraindicated, as the contrast helps identify cancer more clearly.

Additional Imaging Options

Chest CT The NCCN Guidelines recommend chest imaging as clinically indicated, particularly if there's concern for metastatic or disseminated disease (cancer that has spread throughout the body). Chest CT can detect:

Pleural metastases (cancer in the lung lining)
Pulmonary metastases (cancer in the lungs)
Pleural effusion (fluid around the lungs)

PET/CT (Positron Emission Tomography/CT) According to NCCN Guidelines, PET/CT may be useful if CT results are indeterminate (unclear). Research shows PET/CT has higher accuracy than CT alone for detecting metastases in ovarian cancer staging.

Pelvic Ultrasound This imaging test uses sound waves to visualize the pelvic organs. It's often used as an initial imaging study and can help characterize ovarian masses.

What These Tests Show

These imaging studies help your doctors determine:

Tumor size and location (which ovary, if one or both)
Local extension (whether cancer has spread to nearby organs like the uterus, bladder, or bowel)
Lymph node involvement (whether cancer has spread to lymph nodes)
Distant metastases (whether cancer has spread to the liver, lungs, or other distant sites)
Peritoneal involvement (whether cancer has spread throughout the abdominal lining)
Resectability (whether the cancer can be surgically removed)

Important Context

According to NCCN Guidelines, imaging should cover the area from the skull base to mid-thigh to ensure complete staging. The specific imaging tests recommended for you will depend on: