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  Oct 10, 2018

Seborrheic Keratosis Causes

The exact cause of seborrheic keratosis is not known. However, there are several factors that have been linked to an increased risk of the condition and may have a role in causing it. These include:

  • Family history
  • Sun exposure
  • Hormonal changes

Seborrheic keratosis most commonly appears in older people and is rare in children, adolescents and young adults. This leads to the suggestion that it is chronic exposure to ongoing stimuli that causes the condition.

Family History

Individuals with a family history of seborrheic keratosis are more likely to be affected than other individuals. This is likely linked to a genetic susceptibility passed on from parents to their children. in fact, there are some specific gene mutations that have been linked to individuals who have seborrheic keratosis, such as those in the FRFR3, PIK3CA, RAS, AKT1 and EGFR gene.

Sun Exposure

Some research has suggested that frequent sun exposure may be involved in causing seborrheic keratosis. It has been noted that eruptive seborrheic keratosis often follows an episode of sunburn. However, it is not clear how sunlight causes the growths, particularly as they can appear on sk