This cancer has been increasing in incidence in caucasians and now accounts for very significant morbidity and mortality. It has been estimated that in the U.S. an individuals lifetime risk of having malignant melanoma is 1 in 75. Risk of this cancer increases with increased sun exposure, particularly childhood esposure including sunburns . Heredity and fair skin are also risk factors. These lesions are known for their invasiveness and metastatic behavior.
Prognosis is dependent on the depth of invasion of the turmor.
Therefore early detection and removal are critical. Papillomas Warts are raised, well-defined growths with an irregular gray surface. The warts seen on the hands are called verruca vulgaris or the common wart. The human wart virus is transmitted by direct contact, but may be autoinnoculated by razors in shaving , for example. Warts almost always regress spontaneously but sometimes they are removed by freezing, by the use of salicylic acid plasters, or OTC wart removal treatments.