Radio Frequency
Radio Frequency
It is an office-based procedure, performed under local anesthesia, with minimal complications.
It is an effective and cheaper tool in the treatment of various skin conditions, which would otherwise need to be handled by expensive ablative lasers.
Cautery is the application of heat to the tissue. In this, the metal element is heated by the passage of electricity, and this hot metal is applied to the skin or lesion to be treated to destroy or remove it. No electricity passes through the patient and so it is also safe in patients with implants. Radiofrequency or electrosurgery is a technique in which heat is created in the tissue by the passage of a high-frequency alternating current. It has the advantage of having both cutting and stopping bleeding at the same time, thus making the surgery easy and fast. It is not done in patients with pacemakers in situ.
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Indications
It can be used to remove various growths in the body and treat various skin conditions as stated below
- Infections like Warts, molluscum contagiosum.
- Xanthelasma (cholesterol deposits on eyelids).
- Freckles, , skin tags, cherry angiomas, spider angiomas, naevi, papilloma, neurofibromas,
- Skin growths seen in ageing skin: Actinic keratosis, seborrheic keratosis
- Cosmetic indications: Mole removal, telangiectasia, unwanted hair removal, scar revision and resurfacing, earlobe repair.
Procedure
It is done usually under local anaesthesia which can be topical (application of anaesthetic cream on the treatment site 45 mins prior to procedure), or injectable where the anaesthesia is injected on the treatment site. The treated area is cleaned and then the procedure is performed, the duration of which is determined by the nature and extent of the problem. Post-procedure there is mild crusting (scab), redness and swelling of the treated area. The swelling and redness subside in a day or two and the crust falls off in 3-5 days (it should not be removed on own. A post-procedure topical antibiotic is applied and prescribed to apply to skin heals completely. The dressing is done only if necessary. Patients are allowed to take mild pain-killers post-procedure if need be. Sun protection should be done post-procedure. Pigmentary changes or scarring though rare is a possibility, and the chances are minimized when the procedure is performed by a well trained qualified dermatologist.