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cryoablation (KRY-oh-uh-BLAY-shun)

 A procedure in which tissue is frozen to destroy abnormal cells. This is usually done with a special instrument that contains liquid nitrogen or liquid carbon dioxide. Also called cryosurgery.

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Cryosurgery; drawing shows an instrument with a nozzle held over an abnormal area on the lower arm of a patient. Inset shows a spray of liquid nitrogen or liquid carbon dioxide coming from the nozzle and covering the abnormal lesion. Freezing destroys the lesion.




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