With the incidence of skin cancer on the rise, it has never been more important for the public to practice the prevention and detection steps that are key to avoiding melanoma, the most deadly form of skin cancer. Yet in the case of African Americans, detection may be more difficult because studies of African Americans who are diagnosed with melanoma have shown that the condition most often develops on non-sun-exposed areas of the body. This finding, along with the misconception that melanoma is not a significant threat for individuals with darker skin, may contribute to the higher mortality rates for this population.
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At the 2008 American Academy of Dermatology’s Melanoma/Skin Cancer Detection and Prevention Month news conference, dermatologist Susan C. Taylor, M.D., assistant clinical professor of dermatology for The College of Physicians and Surgeons at Columbia University in New York, addressed the alarming statistics supporting the fact that prevention and detection messages about melanoma are not being heeded by African Americans.
Melanoma is the deadliest form of skin cancer and is one of the few cancers where the cause is known – overexposure to the ultraviolet rays of the sun and artificial light, like those in a tanning bed. According to the National Cancer Association, it is estimated that 68,720 people in the U.S. will be diagnosed with melanoma in 2009 and approximately 8,650 deaths will be attributed to melanoma this year. At this rate, one person dies of melanoma every hour.
One reason why African Americans are not overly concerned about melanoma, reasoned Dr. Taylor, is that most of the skin cancer warning messages are geared toward fair-skinned individuals with blue eyes and blond or red hair who sunburn easily. Also, the incidence of melanoma in African Americans is much lower than in Caucasians due to the additional melanin, or pigment, in the skin. While this pigment offers some sun protection, dark brown or black skin is not a guarantee against melanoma.
However, once African Americans are diagnosed with melanoma, studies have shown that their long-term survival is significantly lower than that of Caucasians, 58.8 percent compared to 84.8 percent. “Melanoma has a 96 percent cure rate when detected early, yet the mortality rate in African American patients remains high and can be directly linked to the advanced state of the disease at the time of diagnosis,” stated Dr. Taylor. “The question is why are African American patients waiting so long to seek treatment?”
When diagnosed, melanoma in African American patients has often spread to other parts of the body. A recent Washington Cancer Institute study of 649 patients showed that 32.1 percent of African American patients were diagnosed with stage III or stage IV melanoma, as compared to only 12.7 percent of Caucasian patients. Melanoma in these advanced stages is usually fatal. The study was published in the January 2004 issue of the Journal of the American Academy of Dermatology.
“It is unclear if racial differences in melanoma mortality are related to delays in diagnosis and medical treatment, or if it represents inherent differences in the aggressiveness of the disease in the skin of people of color,” said Dr. Taylor.