Freezing with liquid nitrogen
Dermatology Procedures Review




Freezing with liquid nitrogen

John L. Bezzant,M.D.

Freezing is done to mainly destroy epidermal growths. As long as the indicated freezing times are followed, generally there is no scarring. Occasionally the dermis is injured as shown here, and hypertrophic or keloid scars can be formed, especially on areas of tension, such as the elbow.