The cryotherapy unit contains liquid nitrogen, which is extremely cold. Cryotherapy (liquid nitrogen) treatment of a flat wart on the hand. Liquid nitrogen can be applied by spray device, as seen here, or delivered by a cotton-tipped applicator. The white area in the photograph is the frozen, or "frosted", wart that has just been treated by liquid nitrogen spray.
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Cryosurgery 

Picture of Cryosurgery: The cryotherapy unit contains liquid nitrogen, which is extremely cold. Divider line
The cryotherapy unit contains liquid nitrogen, which is extremely cold.
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Expected Results
Many benign skin growths can be safely treated with cryosurgery. Warts and pre-malignant lesions related to chronic sun exposure (known as actinic keratoses) are some of the most commonly treated lesions. Depending on physician and patient preference, certain types of superficial skin cancers (ie, superficial basal cell carcinoma and Bowen's disease) can also be treated with cryosurgery with excellent results.
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Last Modified: 22 Dec 2008
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