Cálculo de elasticidad relativa de materiales mediante elastografía ultrasónica/Computing relative elasticity of materials by ultrasonic elastography
DOI:
https://doi.org/10.15665/rp.v14i2.609Keywords:
Elastografía por ultrasonido, Imágenes médicas, Deformación 2D, Normalización de elastogramasAbstract
En este artículo se presenta el procedimiento para calcular la elasticidad relativa de materiales usando elastografía por ultrasonido. El artículo describe el procedimiento necesario para el cálculo del elastograma a mano libre, utilizando algoritmos reportados en la literatura para cálculo de desplazamientos, cálculo de deformación y normalización de la imagen del elastograma. Utilizando marcos de ultrasonido de phantoms y de tejidos biológicos disponibles en bases de datos de sitios en internet, se estudia la confiabilidad de la información de elasticidad relativa obtenida con tales algoritmos, con base al parámetro de calidad relación señal a ruido. El resultado de este análisis muestra la necesidad de nuevos algoritmos para poder proporcionar una información semicuantitativa acerca de la dureza de los tejidos que sea de fácil interpretación y buena confiabilidad para el uso de esta técnica como herramienta diagnóstica de enfermedades en la práctica clínica.
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