What is it?
Cryosurgery is the application of extreme cold to destroy abnormal or diseased tissue.

When is indicated?
Cryotherapy is used to treat a number of diseases and disorders, most especially skin conditions like warts, skin tags and solar keratoses. Liquid nitrogen is usually used to freeze the tissues at the cellular level. The procedure is used often because of its efficacy and low rates of side effects.

The advantage of method
Usually this method does not necessitate local anesthesia that is why it is indicated for children and anesthetics hypersensitivity.