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Cancer Treatment Centers of America


Embolization procedures may reduce or cut off the supply of blood to a tumor or abnormal growth. In this procedure, an interventional radiologist uses imaging guidance to insert a catheter into a primary artery and advance it to blood vessel leading to a tumor or other area where the bloody supply needs to be blocked. Special substances which clot and form a blockage are then injected.

Embolization may often be used to treat internal bleeding and help prevent heavy bleeding during surgery. In some cases, embolization may be a treatment option for difficult-to-reach, inoperable tumors. It may also be used to treat tumors that are too large to be ablated.

Embolization may be used to treat:

Examples of embolization procedures for liver cancer or other cancers that spread to the liver include chemoembolization and radioembolization therapies (e.g., SIR-Spheres®, TheraSphere®).

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