Electro-coagulation also known as Radio Frequency Diothermy. Where a fine probe is used to transmit radio waves to tissues near the prove. Molecules within the tissue are caused to vibrate which leads to a rapid increase of the temperature, causing coagulation of the proteins within the tissue and cause them to dissolve and disappear. In other words, the treated area absorbs the current, becomes heated and closes up. It is then gradually absorbed by the body and discarded by the lymphatic system.
Same as for moles and skin tags, the current causes cauterization to its root effectively killing and destroying the abnormal growth without damaging the surrounding tissues. In other words, it stops the blood supply from flowing to a specific area.