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Symptoms

  • May 1, 2014
  • 1 min read

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Symptoms

Wide range of symptoms:

Blistering or freckling after minimum sun exposure

Premature aging of skin, lips, eyes, mouth and tongue; with significant increased incidence of cancer in these same areas

Blindness resulting from eye lesions or surgery for skin cancer close to the eyes

Progressive neurological complications including:

  • developmental disabilities

  • mental retardation

  • high frequency hearing loss, progressing to deafness

  • de Sanctis-Cacchione syndrome (rare)

XP is very rare. Prevalence is estimated at 1:1,000,000 in the United States. Certain populations have a higher prevalence. For example, in Japan, the prevalence is estimated as 1:40,000. Prevalence is increased in North Africa (Tunisia, Algeria, Morocco, Libya, and Egypt) and the Middle East (Turkey, Israel, and Syria), especially in communities in which consanguinity is common.

Clinical diagnosis possible

Life threatening

  • The DNA damage is cumulative and irreversible

  • Up to 2000-fold increased risk of skin cancer, or pre-cancerous tumors and mouth and eye tumors

Other disorders associated with defective DNA repair

  • Ataxia-Telangiectasia

  • Bloom Syndrome

  • Cockayne Syndrome

  • Fanconi Anemia

  • Trichothiodystrophy (TTD)

Other disorders characterized by light sensitivity

  • Drug-induced photosensitivity

  • Erythropoietic Protoporphyria (EPP)

  • Lupus (30% of cases)

  • Polymorphous Light Eruption (PLE)

  • Porphyria (general)

There is no cure for XP. The DNA damage is cumulative and irreversible. Management is limited to avoidance of exposure to damaging UV radiation by staying indoors with sunlight blocked out, and use of protective clothing, sunscreens and sunglasses. Also, avoid other known carcinogens.

13 Comments


kiki
kiki
5 days ago

This is an incredibly clear, important, and eye‑opening overview of the symptoms of Xeroderma Pigmentosum (XP). It highlights how rare, serious, and life‑altering this condition is, while emphasizing the critical need for UV protection and awareness. Such a vital resource for education and understanding. --times

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Will Smith
Will Smith
May 06

Interesting overview—breaking down symptoms like this really helps people recognize early warning signs and understand what’s happening in their body. It’s a bit like agario, where noticing small changes early can make a big difference in how things develop over time.

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wibopeg936
May 05

Одного лишь заявления о честности недостаточно. Специализированные организации проводят аудит программного обеспечения, тестируют генераторы случайных чисел и оценивают соответствие установленным стандартам. Такие проверки обычно выполняются на регулярной основе. Это позволяет убедиться в правдивости казино . Результаты аудита часто публикуются в открытом доступе или предоставляются по запросу, что дает пользователю возможность самостоятельно ознакомиться с ними.

Edited
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scott winter
scott winter
Apr 22

Symptoms, symptoms... sounds like something my coffee machine experiences before 9 AM. Hope whatever ailment is being discussed here got a speedy diagnosis! And hopefully, the solution wasn't just "turn it off and on again."


Speaking of clarity and finding the right solution, sometimes your design projects show symptoms of needing a fresh look. If your colors are feeling a bit 'off' or your palette needs a professional diagnosis, don't worry! Let an AI be your expert. Check out this fantastic Color Palette Generator – it's the perfect remedy for any design blues!

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Geometry Dash Lite
Geometry Dash Lite
Apr 21

Enter the heart of Geometry Dash Lite, where thrilling music propels each jump, flip, and dodge. The obstacles don't pardon, the levels don't wait, and your timing must be perfect. It is strong, quick, and very addicting.

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ADDRESS

437 Snydertown Road

Craryville, NY 12521, USA

 

Telephone: (518) 929-2174

 

Email: xps@xps.org

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Getting a rare disease diagnosis is terrifying for patients and their parents. You are not alone. We are here to support you and help you find the light in the darkness. The XP Society is a unique to the world program for children and families who can never be in daylight. We help provide the XP family support, information and the informative foundation on which to build a healthy and happy quality of life.

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