Dermatologists increasingly use cryosurgery to treat lesions and diseased skin tissues. Cryosurgery works by applying extreme cold to a diseased tissue and destroying it completely. This stops the condition from spreading to other unaffected area. Conditions such as warts, skin tags, solar Kerasotes and minor skin cancer are often treated with cryosurgery. Liquid nitrogen is most commonly used substance in cryosurgical treatments. However in order to destroy the diseased cells effectively and safely a proper cold delivery system is required. Even though some doctors use swabs to treat an affected area, liquid nitrogen dispensed through a cryogenic sprayer is the most effective way and increasingly becoming more popular.
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