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The liquid nitrogen may be applied to lesions using a variety of methods, such as dipping a cotton or synthetic material tipped applicator in liquid nitrogen and then directly applying the cryogen onto the lesion. [3] The liquid nitrogen can also be sprayed onto the lesion using a spray canister. The spray canister may utilize a variety of ...
Cryotherapy, sometimes known as cold therapy, is the local or general use of low temperatures in medical therapy.Cryotherapy can be used in many ways, including whole body exposure for therapeutic health benefits or may be used locally to treat a variety of tissue lesions.
Cryosurgery is accomplished by applying liquid nitrogen in an open spraying technique. Local anesthesia is not required, but treatment of the entire lip can be quite painful. Cure rates in excess of 96% have been reported. Cryosurgery is the treatment of choice for focal areas of actinic cheilitis.
By the 1940s, liquid nitrogen became more readily available, and the most common method of application was by means of a cotton applicator. In 1961, Cooper and Lee introduced a closed-system apparatus to spray liquid nitrogen. In the late 1960s, metal probes became available. By 1990, 87% of dermatologists used cryotherapy in their practice."
By the 1940s, liquid nitrogen became more readily available, and the most common method of application was by means of a cotton applicator. In 1961, Cooper and Lee introduced a closed-system apparatus to spray liquid nitrogen. In the late 1960s, metal probes became available. By 1990, 87% of dermatologists used cryotherapy in their practice."
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Liquid nitrogen (−195.8 °C) is the most commonly used destructive therapy for the treatment of AK in the United States. [72] It is a well-tolerated office procedure that does not require anesthesia. [73] Cryotherapy is particularly indicated for cases where there are fewer than 15 thin, well-demarcated lesions. [72]
Application of liquid nitrogen may cause burning or stinging at the treated site, which may persist for a few minutes after the treatment. With liquid nitrogen, a blister may form at the treatment site, but it will slough off in two to four weeks. Cryosurgery and curette scraping can be painful procedures and can result in residual scarring. [38]
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