Cryotherapy, also known as cryosugery, is the use of extreme cold to destroy abnormal or diseased tissue. Liquid nitrogen (-195o C) is used to freeze the tissue in question. Ice crystals form inside the cells causing their destruction. There is additional damage caused by the loss of blood supply to the target tissue secondary to freezing. Cryotherapy is quick and minimally invasive.
This simple procedure can provide effective treatment for:
- Skin tags
- Solar Lentigines
- Actinic Keratosis
- Shallow skin cancers
During the treatment, the area will be cleaned. Then a small, handheld canister will be used to apply the liquid nitrogen in 5-10 short bursts to the damaged tissue. A small amount of ointment will be applied, and then a bandage will be placed over the treated area. Afterwards, the area may be mildly tender and will likely change color. The treated area may also blister but will scab over after two to three days.