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Patient Information Leaflets (PILs)

These Patient Information Leaflets (PILs) are specially written by the British Association of Dermatologists (BAD).

Please note:

  1. There are thousands of different skin complaints, therefore, the focus of the British Association of Dermatologists' PILs production is on the most common, rarest or debilitating skin conditions.
  2. The offer to provide details of source materials used to inform the British Association of Dermatologists' PILs is for instances where the advice provided in the PILs does not reflect local practice and therefore evidence supporting said advice needs to be produced. It is not an offer to conduct literature searches or supply bibilographic materials for your own research.

For the latest BAD advice on Covid-19 for patients, please check the News and Media section of the website. Find this here. Our information for healthcare professionals is here.

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Seborrhoeic keratosis

Seborrhoeic keratoses (SK) are also known as seborrhoeic warts, and as basal cell papillomas. They are benign growths due to a build-up of skin cells. SK are very common, harmless, often pigmented, growths on the skin. In the UK more than half the men and more than third of women would have at least one SK. By the age of 40 30% of the population would be affected while by the age of 70 it increases to 75%. They are also found in younger people. Some people will have only few seborrhoeic keratoses, while others will have large numbers.

They are not infectious and do not become skin cancer.

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