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Table 1 Recognised risk factors for the development of melanoma

From: Clinical guidelines for the recognition of melanoma of the foot and nail unit

General Risk Factors Risk factors for plantar melanoma*
• Intense and intermittent sunlight and UV radiation exposure • High numbers of benign naevi and dysplastic naevi • Family history of melanoma • A personal history of 3 or more severe sunburns • Immunosuppression (including organ transplant recipients) • Blue or green eye colour • Presence of freckles • Inability to tan • Red hair colour • High total naevus body counts • Pre-existing naevi on the soles • History of penetrating injury • Exposure to agricultural chemicals
  1. * Based on a single study identifying a number of risk factors for developing plantar melanoma[44].