Malignant melanoma is also the most dangerous of type of skin cancer. If discovered early enough, it can be completely cured. If it's not treated quickly, however, malignant melanoma may spread throughout the body and is often deadly. Other skin growths you should know about . Two other common types of skin growths are moles and keratoses.
Moles are clusters of heavily pigmented skin cells, either flat or raised above the skin surface.
While most pose no danger, some particularly large moles present at birth, or those with mottled colors and poorly defined borders may develop into malignant melanoma. Solar or actinic keratoses are rough, red or brown, scaly patches on the skin. They are usually found on areas exposed to the sun, and sometimes develop into squamous cell cancer. Recognizing skin cancer. Basal and squamous cell carcinomas can vary widely in appearance.