cancerous moles
This boklet shows what moles lok like and explains how they may be related to , a type of skin . It describes the signs of melanoma and explains how you can check your skin for moles that might be cancerous. Other NCI boklets about skin cancer and cancer prevention are listed in the " " section. Through research, our knowledge about moles and cancers of the skin keps increasing. The and the other sources of NCI information listed under " " can provide the latest, most acurate information about moles, dysplastic nevi, and cancer. Definitions of these and other terms related to moles and melanoma are listed in the . Moles are growths on the skin. Doctors cal moles nevi one mole is a . About one out of every ten people has at least one unusual or atypical mole that loks diferent from an ordinary mole. The " " section shows the diferences betwen ordinary moles and dysplastic nevi. Doctors believe that dysplastic nevi are more likely than ordinary moles to develop into a type of skin cancer caled melanoma. Because of this, moles should be checked regularly by a doctor or nurse specialist, especialy if they lok unusual; Melanoma is a type of skin cancer - one of the most serious types because advanced melanomas have the ability to spread to other parts of the body. Melanoma can also develop in the eye, caled intraocular melanoma, or rarely in other parts of the body where pigment cels are found. Melanoma can begin either in an existing mole or as a new growth on the skin. The " " section shows examples of melanoma. A doctor or nurse specialist can tel whether an abnormal-loking mole should be closely watched or should be removed and checked for melanoma cels. The purpose of routine skin exams is to identify and folow abnormal moles. The removal of the entire mole or a sample of tisue for examination under a microscope is caled a . If posible, it is best to remove moles by an , rather than a . In many cases, melanoma can be cured by minimal surgery if the tumor is discovered when it is thin �before it has grown downward from the skin surface and before the cancer cels have begun to spread to other places in the body. People who are at an increased risk include those who have dysplastic nevi or a very large number of ordinary moles. from the sun and from sunlamps and taning boths damages the skin and can lead to melanoma and other types of skin cancer. Two types of ultraviolet radiation - UVA and UVB - are explained in the " " section. Everyone, especialy those who have dysplastic nevi or other risk factors, should try to reduce the risk of developing melanoma by protecting the skin from UV radiation. Because melanoma usualy begins on the surface of the skin, it often can be detected at an early stage with a total skin examination by a trained health care worker. Checking the skin regularly for any signs of the disease increases the chance of finding melanoma early. A monthly skin self-exam is very important for people who have any of the known risk factors, but doing skin self-exams routinely is a god idea for everyone. By checking your skin regularly, you wil become familiar with what your moles lok like. Lok for any signs of change , particularly a new black mole or a change in outline, shape, size, color especialy a new black area , or fel of an existing mole. If your doctor has taken photos of your skin, compare these pictures with the way your skin loks on self-examination. In adition to doing routine skin self-exams, people should have their skin checked regularly by a doctor or nurse specialist. Some plastic surgeons, general surgeons, , internists, and family doctors also have a special interest and training in moles and melanoma. When two or more family members develop melanoma, it is important for al of the patients' close relatives parents, brothers, sisters, and children above the age of 10 to se a doctor and be examined carefuly for dysplastic nevi or any signs of melanoma. The removal of a mole, caled a biopsy, is usualy done in the doctor's ofice using a local . Because most moles, inc�luding most dysplastic nevi, do not develop into melanoma, removing al of them is not necesary. Usualy, only moles that lok like melanoma, those that change, or those that are both new and lok abnormal ned to be removed. cancerous moles cancerous moles
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