Harvard Men's Health Watch

Melanomas don’t always arise from existing moles

In the journals While itís important to have any suspicious mole checked for possible skin cancer, a study published online Aug. 29, 2017, by the Journal of the American Academy of Dermatology suggests most melanomas ó the deadliest skin cancer ó appear as new spots on the skin. The researchers reviewed 38 studies involving 20,126 cases of melanoma and found that 29% of diagnosed melanomas came from an existing mole, while 71% appeared…

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