Abstract
Desde los trabajos pioneros de Yalow y Berson, que introdujeron el radioinmunoanálisis (RIA), los métodos de análisis de hormonas han evolucionado gradualmente con mejoras en todos los aspectos de su diseño, desde los análisis inmunorradiométricos a la automatización. Un ejemplo de esta evolución son los análisis de tirotropina y paratirina. A pesar de la gran precisión y la fiabilidad de los métodos hormonales utilizados en la actualidad, es importante revisar algunas limitaciones, como la interferencia por autoanticuerpos, anticuerpos heterofílicos o macroprolactina o el efecto gancho.Since the pioneering works of Yalow and Berson that introduced radioimmunoassays (RIA), hormone assays have been developed gradually, with improvements in all aspects of their design, from immunoradiometric assays to automatization. Examples of this evolution are the thyrotropin (TSH) and parathyroid (PTH) assays. Despite the strong accuracy and reliability of currently used hormone assays, some limitations should be reviewed, such as interference by autoantibodies, heterophile antibodies or macroprolactin and the hook effect.
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