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Moles, warts, skin tags and other so called ‘lumps and bumps’ can be both upsetting to look at and cause social and psychological unease for those whose face is blighted by such growths. With increases in the occurrence of skin cancers we are well advised to seek professional, medical advice about any growths which appear over night or change dramatically in appearance. Thankfully though, most growths are benign and harmless, and removal is often quick and simple with reassuring cosmetic results. The term Radiosurgery is quite confusing in medicine as the term actually refers to two different surgical modalities. It is worth taking the time to look at the differences between the two to make sure there is no confusion. The first radiosurgery (Stereotactic Radiotherapy) is a medical procedure which allows non-invasive treatment of benign and malignant conditions as well as vascular malformations by means of directed beams of ionizing radiation, such as gamma rays. This form of radiosurgery was first developed in Sweden in 1949 to irradiate brain tumour lesions. The second type of radiosurgery (Radiofrequency or Radiowave surgery) is the cutting of tissues using a high frequency alternate current. This surgical modality is very different from traditional electrosurgery and other forms of electrocautery as it can simultaneously cut and coagulate tissues without applying any pressure. Traditional electrosurgery devices cut skin tissue by passing an electric current through the patient and using the electrode tip (a platinum wire) to provide resistance, effectively causing high temperature heating of the electrode tip and excessive lateral (surrounding) tissue damage. There is also potential risk of shock and burn to the patient as well as post operative pain from unsealed nerve endings. The principle of radiofrequency or radiowave surgery is that it uses high frequency radiowaves, at 4.0 MHz, to deliver low temperatures through radiofrequency (RF) micro-fibre electrodes. The waveband utilised is similar to the frequency of marine band radios. The difference between this method and electrosurgery is that the tissue serves as the resistance instead of the electrode. This means there is no heating of the RF micro-fibre electrode by the use of low temperature RF radiowave energy. Instead, the intracellular tissue water provides the resistance and vaporises without the heat and damage seen in electrosurgery. This tissue vaporisation also results in significant haemostasis (stopping of the flow of blood) without actually burning the tissue. In addition, there is no danger of shocking or burning the patient. Most important is the fact that there is controlled and minimal lateral tissue damage with 4.0 MHz high frequency, low temperature radiowave surgery. This effectively means less damage, less post operative pain, faster healing and less blood loss and better healing.