Cryosurgery updated.

Cryosurgery is an effective modality for treatment of many benign, premalignant, and malignant cutaneous lesions. New indications for benign lesions, new data, and recent trends towards more aggressive treatment of malignant lesions are mentioned. The differences in management between benign and malignant lesions are addressed. This article discusses cryobiology, equipment, advantages of cryosurgery, techniques of treatment, tissue response, results, complications, and contraindications.