Cancer Treatment Centers of America

Types of melanoma

Every melanoma patient is different. The cancer experts at Cancer Treatment Centers of America® (CTCA) have extensive experience in properly staging and diagnosing the disease, and developing a treatment plan that's tailored to your specific type of melanoma.

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The most common melanomas are cutaneous, which develop on the skin, particularly in areas exposed to the sun. In men, the most common sites for melanoma are the chest or back. In women, the legs are affected most frequently. However, melanomas are also commonly found on the neck or face. Melanoma may also be found on parts of the body not usually exposed to the sun. Types of melanomas include: 

Superficial spreading melanoma

Superficial spreading melanoma is the most common type of melanoma. This form of the disease may grow for several years along the outer layer of the skin. Superficial spreading melanomas may be elevated and have irregular borders. They may be brown with black or pink edges. Seventy percent of cases diagnosed are superficial spreading melanomas, according to the National Cancer Institute (NCI).

Nodular melanoma

After first appearing on the surface of the skin, nodular melanoma may quickly grow into deeper layers of the skin. This form of the disease may appear as a bump or growth. Nodular melanomas account for 15 percent of all cases. 

Acral-lentiginous melanoma

Acral-lentiginous melanoma is most common among people with darker skin. This type of melanoma represents up to 70 percent of melanomas in African Americans and 46 percent of all cases in Asians, according to the NCI. Acral-lentiginous melanoma may be found the palms of the hands, soles of the feet and under the nails.

Lentigo maligna melanoma

Lentigo maligna melanomas are most often found in adults on the arms, legs, face, neck and other areas exposed to the sun. The risk of this type of melanoma may increase with age because of prolonged sun exposure. Lentigo maligna is the most common form of melanoma in Hawaii, according to the Skin Cancer Foundation

Amelanotic and desmoplastic melanomas

These two similar and rare forms of melanoma may be aggressive and difficult to diagnose. Amelanotic melanoma may be difficult to spot because of its lack of pigment. Desmoplastic melanoma may be found on the head and neck of elderly patients.

Ocular melanoma

Ocular melanoma develops in the melanocytes that give eyes their color. They account for about 3 percent of all melanoma cases, according to the Ocular Melanoma Foundation. More than 2,000 cases of ocular melanoma are diagnosed each year. 

Learn more about other types of skin cancer.

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