Little is known about the etiological factors involved in cutaneous malignant melanomas. Ultraviolet radiation, total number of nevi, skin type, and hereditary predisposition have been identified as risk factors for (1) superficial spreading nodular and (2) lentigo maligna melanomas, but these factors have no proven association with the development of, eg, acral lentiginous and mucosal melanomas.1
Miracco C, Palummo N, Lavergne D, Nyongo A, Tosi P, de Villiers E. Malignant Melanomas: Search for Human Papillomaviruses. Arch Dermatol. 2001;137(6):826–827. doi:
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