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Xerodermia pigmentosa - Información general

Definición:

Es una rara afección que se transmite de padres a hijos, en la cual la piel y el tejido que cubre el ojo son extremadamente sensibles a la parte ultravioleta de la luz solar.

Causas, incidencia y factores de riesgo:

La luz ultravioleta, como la que se encuentra en la luz solar, daña el material genético (ADN) en las células de la piel, pero normalmente el cuerpo repara este daño. Sin embargo, en personas que sufren de xerodermia pigmentosa, el cuerpo no repara este daño y, como resultado, la piel se vuelve muy delgada y aparecen parches de variados colores (pigmentación moteada).

La afección también causa vasos sanguíneos aracnoideos en la piel (telangiectasia) y cáncer de piel. Éste último con frecuencia ocurre antes de que el niño tenga 5 años.

  • Fecha de revisión: 4/12/2007
  • Versión en inglés revisada por:Kevin Berman, MD, PhD, Associate, Atlanta Center for Dermatologic Disease, Atlanta, GA. Review provided by VeriMed Healthcare Network.
  • Traducción y localización realizada por: DrTango, Inc

Referencias

Abeloff MD, Armitage JO, Niederhuber JE, Kastan MB, McKena WG. Clinical Oncology. 3rd ed. Orlando, Fl: Churchill Livingstone; 2004.

Kumar V, Abbas AK, Fausto N. Robbins and Cotran Pathologic Basis of Disease. 7th ed. St. Louis, Mo: WB Saunders; 2005.

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