Chemoembolization (TACE) and tumor embolization

About this approach

Embolization uses a catheter to place material in blood vessels supplying a tumor, reducing its blood flow. In chemoembolization, chemotherapy is delivered with the embolizing treatment. These procedures are used in selected cancer settings, particularly liver tumors, and may have different goals from surgery or systemic medication. This guide covers bland embolization and chemoembolization. Radioembolization, which delivers radioactive particles, is described separately. Choosing among them requires assessment of the tumor, blood supply, organ function and overall treatment strategy.

Where it fits: Established arterial treatment for selected tumors

Where this treatment is used

Embolization has an established role in selected liver-cancer pathways when the clinical situation supports a liver-directed approach. Treatment selection depends on factors such as tumor distribution, liver function, vascular anatomy and disease outside the liver. Bland embolization and chemoembolization use different components, so their evidence and adverse effects should be discussed specifically. The goal may be disease control or support of another treatment strategy rather than a stand-alone cure. The procedure can sometimes be repeated, but further treatment depends on response and remaining liver reserve. A successful catheter procedure is not the same as proving that all cancer has been eliminated. Follow-up imaging and blood tests help the team assess benefit and decide what comes next.

Procedure and practical considerations

Pain, fever, nausea and fatigue can occur after treatment. More serious complications include infection or abscess, bleeding, organ injury and worsening liver function. Catheter procedures may also involve contrast reactions or blood-vessel complications. Prior bile-duct procedures and other medical history can change risk, so provide complete records.

Cancer guides that discuss this treatment

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Clinics reporting this approach

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