What is a malignant melanoma?

Skin cancer. In its most typical form, melanoma is a cancer that originates in cells of the skin called melanocytes. In some cases melanoma can spread to other organs from the skin. More rare types of melanoma start in the eyes, colon, mouth, bladder and other organs.
Type of cancer. Malignant melanoma is a neoplasm of melanocytes or of the cells that develop from melanocytes. Melanocytes are cells that produce the dark pigment, melanin, which is responsible for the color of skin. They predominantly occur in skin, but are also found in other parts of the body, including the bowel, oral cavity and the eye.
Type of cancer. Malignant melanoma is a neoplasm of melanocytes or of the cells that develop from melanocytes. Melanocytes are cells that produce the dark pigment, melanin, which is responsible for the color of skin. They predominantly occur in skin, but are also found in other parts of the body, including the bowel, oral cavity and the eye.