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Examen de densidad mineral ósea - Results

Nombres alternativos

Prueba de densidad mineral ósea; Examen de densidad ósea; Densitometría ósea; Radioabsorciometría de doble energía; Absorciometría de rayos X de energía dual; DEXA; p-DEXA

Valores normales:

Los resultados de la prueba generalmente se informan como ''puntuación T'' y ''puntuación Z''.

  • La puntuación T compara la densidad ósea de la persona con la de una mujer joven y saludable.
  • La puntuación Z compara la densidad ósea de la persona con la de otras personas de la misma edad, género y raza.

En cualquier puntación, un número negativo significa que usted tiene huesos más delgados de lo normal. Cuanto más negativo sea el número, mayor será el riesgo de una fractura ósea.

Una puntuación T entra dentro del rango normal si está en -1.0 o por encima.

Significado de los resultados anormales:

El examen de la densidad mineral ósea no diagnostica fracturas. Sin embargo, junto con otros factores de riesgo que usted pueda tener, ayuda a predecir su riesgo de sufrir una fractura ósea en el futuro. El médico le ayudará a entender los resultados.

  • Una puntuación T entre -1 y -2.5 indica el comienzo de pérdida ósea (osteopenia).
  • Una puntuación T por debajo de -2.5 indica osteoporosis.

Las recomendaciones para el tratamiento dependen de su riesgo total de fracturas.

  • Reviewed last on: 12/22/2010
  • Susan Storck, MD, FACOG, Chief, Eastside Department of Obstetrics and Gynecology, Group Health Cooperative of Puget Sound, Bellevue, Washington; Clinical Teaching Faculty, Department of Obstetrics and Gynecology, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

Referencias

Lim LS, Hoeksema LJ, Sherin K; ACPM Prevention Practice Committee. Screening for osteoporosis in the adult U.S. population: ACPM position statement on preventive practice. Am J Prev Med. 2009;36:366-375.

National Osteoporosis Foundation. Clinician's Guide to Prevention and Treatment of Osteoporosis. Washington, D.C.: National Osteoporosis Foundation; 2008.

Nelson HD, Haney EM, Dana T, Bougatsos C, Chou R. Screening for osteoporosis: an update for the U.S. Preventive Services Task Force. Ann Intern Med. 2010;153:99-111.

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