Resumen
Se trata de una revisión bibliográfica acerca de los beneficios y controversias del screening mamográfico del cáncer de mama, cuyo
objetivo es evaluar la justificación de la aplicación del screening mamográfico. Se incluyen los resultados más recientes de los primeros estudios clínicos randomizados realizados para evaluar los efectos del screening en la mortalidad por cáncer de mama. También se incluyen revisiones y metanálisis de los resultados de los estudios anteriores y de los resultados de programas de screening en marcha. Se hace un análisis de los efectos del screening en la reducción de la mortalidad por cáncer mamario, se discuten las controversias existentes y se analizan los acontecimientos considerados como efectos adversos del screening: falsos positivos, sobrediagnóstico y exposición a los rayos X. La evidencia analizada indica que el screening mamográfico del cáncer de mama está justificado ya que se comprueba su eficacia en la reducción de la mortalidad por esta enfermedad y además el beneficio supera ampliamente al riesgo de los eventuales efectos adversos. (MÉD.UIS. 2014;27(1):51-8).
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