Melanoma is one type of skin Cancer that arises when the melanocytes become cancerous. It is most common type of skin cancer but very serious if avoided. Melanoma, also called malignant melanoma, develops from the pigment-containing cells known as melanocytes. It typically occurs in the skin and rarely in the mouth, intestines, or eye. Individuals with low levels of skin pigment when expose to ultra violet light causes Melanoma. The use of sunscreen and avoiding UV light may prevent melanoma disease to a larger extent. Further treatment removal by surgery.