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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].