Malignant cancer is a type of skin cancer that is often seen in people who have had sun damage in the form of sunburns, tanning, or prolonged ultraviolet radiation exposure. It is characterized by uncontrolled growth of abnormal cells in the skin that spread rapidly and can lead to the death of healthy or nearby skin. Malignant skin cancer is the most dangerous type of skin cancer as it has the greatest potential to spread to other areas of the body and become life threatening. It is the deadliest form of the 3 major skin cancers: basal cell carcinoma, squamous cell carcinoma, and malignant melanoma. The primary risk factor for malignant skin cancer is ultraviolet radiation from the sun or tanning beds, although it can also form in areas that have had radiation therapy or long-term exposure to arsenic or industrial chemicals. Certain genetic mutations can also increase the risk of developing this cancer. The most common symptom of malignant skin cancer is the appearance of a growth on the skin that may be raised, scaly, and red or dark in color. Other symptoms may include itching or pain , an ulcer or sore that won’t heal, or changes in mole size. If you suspect you may have malignant skin cancer, it’s important to seek medical attention immediately. Diagnosis must be made promptly as delaying can reduce the chance of recovery or increase the risk of death. After physical examination and biopsy, the doctor can identify the type and grade of the cancer and accurately assess its stage. Once identified, the treatment plan must be tailored according to the stage of the cancer and other factors. Surgery is the most common method of treatment and may be supplemented with radiation, chemotherapy, immunotherapy, or clinical trials. With early diagnosis and prompt treatment, malignant skin cancer can be successfully managed. Although there is no way to completely prevent it, it is important to protect yourself from ultraviolet radiation exposure whenever possible.