Xeroderma Pigmentosum

Also known as

  • XP

XP is a recessive genetic condition that causes a hyper-sensitivity to UV light. XP patients lack the ability to repair damage to skin cells caused by UV and therefore develop skin cancers. They are 10,000 times more likely to develop skin cancer than the normal population

Condition details

Exaggerated sunburn on exposed areas and sometimes through clothes at any time of the year and/or pinpoint freckles on the face before the age of 2 and/or skin cancer under the age of 5. Some patients exhibit neurological changes, hearing loss, balance, learning difficulties

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Photos of affected individuals

Click images to enlarge.

  • No baby imageBaby
  • No toddler imageToddler
  • No child 4-10 imageChild 4-10
  • No child 10-18 imageChild 10-18
  • No adult imageAdult

Typical age range of first manifestation

  • Can manifest in Baby
  • Can manifest in Toddler
  • Does not manifest in Child 4-10
  • Does not manifest in Child 10-18
  • Does not manifest in Adult


Affected genes identified to date

Inheritance patterns

Is Autosomal recessive

Are carriers affected?


How many are affected?

about 100 in UK

Support groups and organisations

Mrs Sandra Webb
XP Support Group
Instron House
Coronation Road
High Wycombe
HP12 3SY
Tel 01494-456192
Mrs Nicola Miller
Teddington Trust

Known experts

Dr Robert Sarkany
Field of interestMedical
XP Multi-Disciplianry Clinic
Guys & St Thomas' Hospital
Westminster Bridge Road
Dr Hiva Fassihi
Field of interestMedical
XP Multi-Disciplinary Clinic
Guys & St Thomas' Hospital
Westmister Bridge Rd
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