epidemiology

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Summary features (1):

  • Prevalence rates highest in countries that have high sun exposure and have largely fair-skinned population.
  • Highest prevalence rate has been documented in Australia – over 40% in individuals aged over 40 years.
  • Countries with low levels of sun exposure such as the UK and Ireland, have lower rates of 19-25%, in individuals aged over 60 years.
  • Increased prevalence with age.
  • There is an increased risk of actinic keratoses, and most non-melanoma skin malignancies, in patients receiving immunosuppressive treatment.

Note that about 20-70% of solar keratoses regress spontaneously over 1-2 years, but typically 15% recur (2,3).

References:

Last edited 02/2022