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Diseases » Keratosis » Glossary
 

Glossary for Keratosis

  • Actinic keratosis: Scaling of the skin condition usually from sunlight
  • Dark skin: Darkening of the skin as a symptom
  • De Sanctis-Cacchione syndrome: A rare genetic ectodermal disorder characterized by sunlight sensitivity, skin atrophy and pigmentation and skin tumors as well neurologic involvement.
  • Keratosis pilaris: A condition characterized by hyperkeratosis which is limited to the hair follicles
  • Rash: General name for any type of skin inflammation.
  • Scaly skin: Toughness or scaliness of the skin
  • Seborrheic keratosis: Thickening of the skin condition usually from age
  • Skin Cancer: Cancer of the skin; the most common type of cancer.
  • Skin conditions: Any condition that affects the skin
  • Sun spots: Wart-like lumps from sun exposure
  • Warts: Lumpy growths under the skin
  • Xeroderma pigmentosum: A rare pigmentary disease that is caused by an enzyme deficiency
  • Xeroderma pigmentosum, type 1: A rare genetic disorder where the enzyme that repairs DNA damage done by UV radiation is defective. It is characterized by sensitivity to sunlight, skin pigmentation and atrophy and actinic skin tumors. The different types of xeroderma pigmentosum vary in the body's ability to repair the damage to DNA done by UV radiation - type 1 has the lowest level of repair and the most neurological complications.
  • Xeroderma pigmentosum, type 2: A rare genetic disorder where the enzyme that repairs DNA damage done by UV radiation is defective. It is characterized by sensitivity to sunlight, skin pigmentation and atrophy and actinic skin tumors. The different types of xeroderma pigmentosum vary in the body's ability to repair the damage to DNA done by UV radiation. Type B is often associated with signs of Cockayne syndrome.
  • Xeroderma pigmentosum, type 3: A rare genetic disorder where the enzyme that repairs DNA damage done by UV radiation is defective. It is characterized by sensitivity to sunlight, skin pigmentation and atrophy and actinic skin tumors. The different types of xeroderma pigmentosum vary in the body's ability to repair the damage to DNA done by UV radiation. Neurological symptoms are rarely experienced in type 3.
  • Xeroderma pigmentosum, type 4: A rare genetic disorder where the enzyme that repairs DNA damage done by UV radiation is defective. It is characterized by sensitivity to sunlight, skin pigmentation and atrophy and actinic skin tumors. The different types of xeroderma pigmentosum vary in the body's ability to repair the damage to DNA done by UV radiation. Type D involves neurological symptoms.
  • Xeroderma pigmentosum, type 5: A rare genetic disorder where the enzyme that repairs DNA damage done by UV radiation is defective. It is characterized by sensitivity to sunlight, skin pigmentation and atrophy and actinic skin tumors. The different types of xeroderma pigmentosum vary in the body's ability to repair the damage to DNA done by UV radiation. Type E is a very rare form of the condition and involves mild skin symptoms with no neurological symptoms.
  • Xeroderma pigmentosum, type 6: A rare genetic disorder where the enzyme that repairs DNA damage done by UV radiation is defective. It is characterized by sensitivity to sunlight, skin pigmentation and atrophy and actinic skin tumors. The different types of xeroderma pigmentosum vary in the body's ability to repair the damage to DNA done by UV radiation. The skin and neurological symptoms in Type 6 tend to be mild.
  • Xeroderma pigmentosum, type 7: A rare genetic disorder where the enzyme that repairs DNA damage done by UV radiation is defective. It is characterized by sensitivity to sunlight, skin pigmentation and atrophy and actinic skin tumors. The different types of xeroderma pigmentosum vary in the body's ability to repair the damage to DNA done by UV radiation. Type G usually involves severe neurological symptoms.

 

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