Also used is cryosurgery and radiotherapy. He constructed various cryogenic apparatus for cryosurgery. He is known for ultrasound-guided procedures for treating cancer using cryosurgery. Other forms of treatment include urethrotomy, cryosurgery, and neurostimulation. Both cryosurgery and electrosurgery are effective choices for small areas of actinic cheilitis. Surgical excision or cryosurgery is the treatment of choice. Generally, lesions can be treated with electrodesiccation and curettage, or cryosurgery. A number of medical supply companies have developed cryogen delivery systems for cryosurgery. Other potential treatments include cryosurgery, laser surgery, radiation therapy, and acupuncture. Cryosurgery and curette scraping can be painful procedures and can result in residual scarring. Overall, there are sufficient data to consider cryosurgery as a reasonable treatment for BCC. Recently successful treatment of Ledderhose with cryosurgery (also called cryotherapy) has been reported. Some methods used to eliminate or reduce this pigmentation include gingivectomy, laser therapy and cryosurgery. Cryotherapy or cryosurgery refers to application of extreme cold to treat keloids. It is preferred in cryosurgery because it protects the anterior and posterior vaginal wall.