Cryotherapy is the treatment of surface skin lesions by freezing. In skin cancer medicine, it is an easy, inexpensive and effective treatment for minor skin cancers and pre-cancerous conditions.
Also known as:
Seborrhoeic keratoses (seborrhoeic keratosis, if there's a single one) are an extremely common skin condition, affecting almost everyone over the age of 60. They usually appear as a flat and "stuck-on" lump and may be pink, brown or black in colour. The consistency varies from waxy to crusty. They occasionally become itchy or irritated but they are harmless and have no risk of developing into skin cancer. Seborrhoeic keratoses can be treated by freezing, scraping off or exfoliating. Unfortunately they frequently return after treatment.