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Polimiositis del adulto - Overview

Definición:

Es una enfermedad inflamatoria relativamente infrecuente que lleva a debilidad, hinchazón (inflamación), sensibilidad y daño en músculos. Es parte de un grupo más grande de enfermedades llamadas miositis.

Causas:

La polimiositis es una enfermedad músculoesquelética también conocida como miopatía inflamatoria idiopática. La causa de esta enfermedad se desconoce, pero puede ser ocasionada por una reacción autoinmunitaria o por una infección del músculo esquelético.

La polimiositis puede afectar a personas de cualquier edad, pero se presenta más comúnmente entre las edades de 50 y 70 años, o en niños entre 5 y 15 años de edad. A menudo, afecta dos veces más a las mujeres que a los hombres y es más común en personas de raza negra que en las de raza blanca. En general, cada año, se diagnostica aproximadamente un caso con alguna forma de miopatía inflamatoria por cada 100,000 personas.

Existen otros tipos de enfermedades musculares inflamatorias, entre ellas la miositis con cuerpos de inclusión.

  • Reviewed last on: 2/7/2011
  • Michael E. Makover, MD, professor attending in Rheumatology at the New York University Medical Center, New York, NY. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

Referencias

Harris ED, Budd RC, Genovese MC, Firestein GS, Sargent JS, Sledge CB. Kelley's Textbook of Rheumatology. 7th ed. St. Louis, Mo: WB Saunders; 2005:1312-1316.

Goldman L, Ausiello D. Goldman: Cecil Medicine. 23rd ed. Philadelphia, Pa: Saunders; 2007.

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