New Treatment Methods in Cancer; In RF Ablation and Microwave Ablation treatments, a needle can be placed in the middle of the tumor accompanied by Ultrasonography and Computed Tomography imaging, and the tumor can be destroyed by evaporation with the effect of heat. This heat evaporation process is applied in a large area up to approximately 1 cm outside the tumor diameter to ensure that the tumor is completely destroyed. After the procedure, our patient can return home by walking the same day or the next day after a short observation. RF ablation method and Microwave ablation methodRF uses electric current, while microwave ablation uses radiofrequency energy. While RF ablation is preferred in the treatment of cancers smaller than 3 cm in diameter in the liver or other solid organs, microwave ablation therapy is preferred in the treatment of masses larger than 3 cm in diameter.
In the cryoablation method, it is an ablation method that destroys the cancer by freezing it, not heating it. For this freezing effect to occur, very high pressure Argon gas is passed through the cryoablation needle and released at the very tip of the needle. Argon gas cools down to -40 to -80 degrees in the cancerous tissue and creates an iceball. As a result of this phenomenon, which is called the Joule-Thompson effect, ice crystals form in the tumor due to the ice ball around the cryoablation needle, the vessels are occluded, and a widespread tissue death occurs as a result of apoptosis.
Prof. Dr. Mehmet Mahir Atasoy
Interventional Radiology
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