Engineering and Manufacturing

Introduction Cryotherapy is a dermatological treatment used by dermatologists and skin care experts to treat surface skin lesions by freezing them with liquid nitrogen. Although other cryogens like carbon dioxide snow, Dimethyl ether and propane or DMEP were also used earlier, their use has now grown obsolete and liquid nitrogen is most commonly used. What Type Of Skin Lesions Are Treated With Cryotherapy? Lesions that are usually treated by cryotherapy include actinic keratosis, viral warts and sebborhoeic keratosis or senile warts. Specialist dermatologists sometimes also freeze small skin cancers such as superficial basal cell and in situ squamous cell carcinomas (intraepidermal carcinoma, Bowen disease), but this treatment is not always successful, so careful follow-up care is necessary.Freezing is one of the most suitable way of getting rid of many different kinds of surface skin lesions, asit is relatively inexpensive, safe, and reliable. However, it is also