It is a procedure which involves applying a high frequency electrical current to destroy cancerous cells. It is most commonly used to treat skin cancer but can also be used in the treatment of certain oral cancers and for stage 0 of NSCLC.
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| Electrosurgery unit |
- The tissue is heated by an electric current. Electrosurgery uses alternating current (a.c.) to directly heat the tissue itself. This results in destruction of small blood vessels and halting of bleeding, it is technically a process of electrocoagulation.
- Electrosurgery is performed using an electrosurgical generator (also referred to as power supply or waveform generator) and a handpiece including one or several electrodes, sometimes referred to as an RF Knife. The apparatus when used for cutting or coagulation in surgery is still often referred to informally by surgeons as a "Bovie," after the inventor.
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| Current flow with a typical electrosurgical unit. |
Reference:
http://en.wikipedia.org/wiki/Electrosurgery
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