xeroderma pigmentosum

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xeroderma pig·men·to·sum

 (pĭg′mən-tō′səm)
n.
A rare hereditary skin disorder caused by a defect in the enzymes that repair DNA damaged by ultraviolet light.

[New Latin xēroderma pigmentōsum : xēroderma, xeroderma + pigmentōsum, neuter of pigmentōsus, of pigment.]
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Noun1.xeroderma pigmentosum - a rare genetic condition characterized by an eruption of exposed skin occurring in childhood and photosensitivity with severe sunburn; inherited as a recessive autosomal trait in which DNA repair processes are defective so they are more likely to chromosome breaks and cancers when exposed to ultraviolet light
xeroderma, xerodermia - a mild form of ichthyosis characterized by abnormal dryness and roughness of the skin
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6) in their study on the clinical spectrum and therapeutic outcome of Ocular Surface Squamous Neoplasia (OSSN) in patients with Xeroderma Pigmentosa (XP) concluded that OSSN occurs predominantly in the elderly, but in patients of XP it tends to occur at a younger age.
Squamous cell carcinoma of the face with xeroderma pigmentosa - a case report.
ISLAMABAD, July 22, 2010 (Balochistan Times): On the directives of Prime Minister Syed Yousuf Raza Gilani, seven children diagnosed with a rare disease Xeroderma Pigmentosa have been sifted to Quetta from district Kachhi and now being treated by dermatologists of Balochistan Health Department.