Skin is the largest structure in the body, and it has three layers, Epidermis, dermis, and hypodermis. Epidermis provides a waterproof barrier and creates the skin tone. Dermis contains blood vessel that feeds the skin, and hypodermis: helps body from getting too cold or too warm, protects muscles and bones from pumps and falls. Malignant Melanoma is the most life threatening and deadliest skin cancer in the world. Malignant melanoma develops in the melanocytes, and melanocyte give the skin its color, and it will be easier to spread in the skin. The melanoma in women mostly occur on the legs, while in men they are most common on the back. It can also form in your eyes in internal organs, like intestines. There are three types of malignant …show more content…
It is quite different from the other types and it usually appears as a black or brown discoloration under the nails or on the soles of the feet or palms of the hands. This type of cancer is more common in African-Americans and Asians, and the least common among Caucasians. Malignant melanoma has different stages. Stage 0 tumors are noninvasive and have not penetrated below the surface of the skin. Stage I tumors have invaded the skin but are small, and are growing at a slow mitotic rate. Stage II tumors are localized and are larger generally over 1 mm and they are considered intermediate melanomas. Stages III and IV have spread to other parts of the body. Malignant melanoma has factor risk such as risk increases with age, a history of sever, blistering sunburns, excessive ultraviolet light exposure, family history of melanoma, and weakened immune system. Furthermore, the signs and symptoms for malignant melanoma. Skin sore that fails to heal, spot or sore that becomes painful, itchy, tender, or bleeds, spot or lump that looks shiny, waxy, smooth, or pale, a firm red lump that bleeds or appears ulcerated or crusty and a flat, red spot that is rough, dry, or