Tumor ablation is an image-guided, minimally invasive treatment that destroys tumors without physically removing them. In general, the ablation procedure can be done by inserting a probe into tumors via a small incision with the guidance of ultrasound, computed tomography (CT) and magnetic resonance imaging (MRI). The probe may emit heat (radiofrequency ablation (RFA) and microwave thermotherapy), inject ethanol into (ethanol ablation), or freeze (cryotherapy) the tumor to kill cancerous cells. Ablation is mostly recommended for treating tumors no larger than about 3 cm across and may be used for larger tumors (3–5 cm) along with embolization, because it can also destroy normal tissue around the tumor and possibly cause damage to major blood vessels, diaphragm, or bile ducts if they are near the probe [1].

RFA is popular for treating hepatocellular carcinoma (HCC) with less complication. Using heat generated by a high-frequency...

References

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