Small, but irregular, black and brown pigment is a sign of a melanoma, a serious skin cancer.  Any new pigmented, itching, bleeding, or changing moles should be checked by your doctor. This melanoma has a classic blue-black color. Black, multi-colored, asymmetric, or irregularly shaped lesions all need to be checked by a dermatologist or doctor skilled in looking at moles. This image displays a multi-colored (including black) lesion with an irregular shape and scalloped borders typical of melanoma. This image displays a brown, blue-gray, and pink lesion with an irregular border typical of early melanoma. This melanoma started as a flat, irregular dark spot but has developed a raised, crusted area. This image displays a melanoma with a white and pink center, a darker black-brown area, and pink and brown c-shaped tumor on the left side of the lesion. This image displays a round, bleeding melanoma that has a small "satellite" tumor underneath it. This image displays a melanoma with irregular borders surrounded by many other benign growths, which are much smaller and have regular, circular borders. This image displays a darkly pigmented lesion typical of melanoma. This image displays an almost black melanoma found in between the toes. This melanoma has multiple dark colors, an asymmetrical shape, and a very irregular border typical of melanoma. This image displays a lesion with an irregular edge and multiple colors--white, pink, pink-brown, and flecks of blue-black--typical of melanoma. When a melanoma involves the fingernail, the cuticle often has the discoloration as well as the nail plate.
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Melanoma  Information for adults

Picture of Melanoma: Small, but irregular, black and brown pigment is a sign of a melanoma, a serious skin cancer.  Any new pigmented, itching, bleeding, or changing moles should be checked by your doctor. Divider line
Small, but irregular, black and brown pigment is a sign of a melanoma, a serious skin cancer. Any new pigmented, itching, bleeding, or changing moles should be checked by your doctor.
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Treatments Your Provider May Prescribe
If your doctor thinks that your mole is suspicious for melanoma, you will need a skin biopsy, usually performed by a dermatologist. The goal of the biopsy, also called an excision, is to remove the entire mole and to get a diagnosis. 

Prognosis and treatment depend on how deep the tumor has grown into the skin. If you have a melanoma that is very thin (less than 1 mm) and has been completely removed with the excision, this may be all the treatment you need. 

For thicker melanomas, your doctor will probably recommend a biopsy of your lymph nodes to determine if they contain melanoma cells. This is called a sentinel node biopsy. If these lymph nodes do have melanoma cells, you may need to have other lymph nodes surgically removed.

If you have lymph nodes that contain melanoma, your doctor will also need to determine if the melanoma has spread to other parts of your body. You may have to have a chest X-ray, a CT scan, an MRI, and/or other tests to determine this.

Treatment for melanoma that has spread to the lymph nodes or other parts of the body may include chemotherapy. For patients with melanoma that has metastasized, immunotherapy is another treatment that can help the body's own immune system to destroy cancer cells. Types of immunotherapy include vaccines, cytokines (proteins that boost the immune system), and interferon-alpha.

If you have previously been diagnosed and treated for melanoma, you are at increased risk of developing another melanoma, especially in the first 3 years after diagnosis. Therefore, it is essential that you regularly follow up with your doctor to have a thorough skin examination.


Last Modified: 12 Feb 2009