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Treatment of cancer and related processes.


Tumor Ablation – Tumor ablation is a procedure used to treat multiple types of tumors, most commonly of the kidney and liver. Although there are various types of tumor ablation, the most common forms use either heat (radiofrequency or microwave) or cold (cryoablation) to shrink or destroy the tumor. The procedure uses small probes to precisely deliver heat or cold to the tumor. Not all tumors are treatable using tumor ablation. The interventional radiologist collaborates with oncologists and surgeons to determine appropriateness. Depending on the tumor being treated, tumor ablation is performed using either moderate sedation or general anesthesia. It can be performed in an outpatient setting, with discharge the day of the procedure, or a return home after overnight observation in the hospital. Tumor ablation offers advantages such as quicker recovery time and similar results to surgery in smaller tumors.

Chemoembolization/Radioembolization – Embolization of a tumor involves blocking the blood vessels that supply it. While embolization of a tumor can be performed without additional treatment (“bland” embolization), most tumor embolizations occur with added medication (chemoembolization) or radiation therapy (radioembolization). Tumor embolization procedures all begin the same, with access to the arteries supplying the tumor using an artery through the groin or wrist. The feeding blood vessels are embolized while either medications or radioactive beads (yttrium-90) are deposited into the tumor. The medications or radiation then act directly on the tumor. Procedures are performed using moderate sedation with either same day discharge or next day discharge after overnight observation. Tumor ablation is not for every tumor type and is most often used in the liver. The interventional radiologist works with oncologists and surgeons to determine the best treatment options.

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