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Epidermi Skin Cancer

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Introduction. The skin is one of the body’s largest and multifunctional organ. Depending on body size and mass it can weigh between 7 to 22 pounds (1). The skin’s roles are: protection from microbes and harmful substances, thermoregulation and sensation receptiveness of touch, heat and cold. The skin consists of three layers: the epidermis, dermis and the hypodermis. The outermost layer of skin, the epidermis, provides a waterproof barrier and consists of melanocytes. Melanocytes produce and store the pigment melanin which creates skin tone. Underneath the epidermis is the dermis; it contains tough connective tissue, hair follicles and sweat glands. The dermis has an arrangement of nerve fibers and blood vessels. Blood vessels carry nutrients and oxygen to the cells of the dermis and the epidermis, which are avascular (2). The…show more content…
Skin cancer is the most common form of cancer in the United States according to the CDC (2015) (3). There are three common forms of skin cancer that are distinguished by the type of cells affected. Non-melanomas are cancers of surface tissues (carcinomas). The two most common types are basal cell and squamous cell carcinoma. Melanoma is more dangerous but less common. Skin cancer occurs when there is an uncontrollable growth of abnormal cells in a layer of the…show more content…
Melanoma can spread quickly to other parts of the body and organs. In addition, it can begin wherever there is pigment, most appear spontaneously, and about one-third develop from preexisting moles. An estimated 9,940 people will die of melanoma in 2015 according to American Cancer Society (2015) (6). Although it accounts for less than two percent of skin cancer cases, melanoma composes the vast majority of skin cancer deaths. Indeed, certain populations are at a greater risk of getting skin
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