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CC BY-NC-ND 4.0 · Revista Argentina de Radiología / Argentinian Journal of Radiology 2021; 85(04): 083-090
DOI: 10.1055/s-0040-1721347
Artículo Original

Elastografía cuantitativa en la evaluación de nódulos tiroideos

Quantitative Elastography in the Evaluation of Thyroid Nodules
Carolina Uliaque Franco
1   Servicio de Radiodiagnóstico, Centro Médico de Especialidades Ramón y Cajal, Hospital Universitario Miguel Servet, Zaragoza, España
,
Ricardo Herrero Laborda
2   Centro Universitario de la Defensa, Zaragoza, España
,
Elena Hervias Ángulo
1   Servicio de Radiodiagnóstico, Centro Médico de Especialidades Ramón y Cajal, Hospital Universitario Miguel Servet, Zaragoza, España
,
Ana Almenara Riaguas
1   Servicio de Radiodiagnóstico, Centro Médico de Especialidades Ramón y Cajal, Hospital Universitario Miguel Servet, Zaragoza, España
,
Francisco Javier Berdún Pardo
1   Servicio de Radiodiagnóstico, Centro Médico de Especialidades Ramón y Cajal, Hospital Universitario Miguel Servet, Zaragoza, España
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Resumen

Objetivo Evaluar retrospectivamente la capacidad diagnóstica de la elastografía cuantitativa para determinar la posibilidad de malignidad o benignidad de los nódulos tiroideos benignos y malignos, y determinar su utilidad para así decidir qué nódulos deberán ser sometidos a punción aspirativa con aguja fina (PAAF).

Pacientes y métodos Se analizaron 203 nódulos tiroideos de 195 pacientes remitidos por el Servicio de Endocrinología para estudio citológico durante el año 2018. A todos ellos se les realizó ecografía convencional, elastografía cuantitativa y PAAF. Se realizó un análisis estadístico mediante regresión logística, que pone en relación la probabilidad de que un nódulo sea sospecho de malignidad y el valor de la elasticidad medido en kilopascales (kPa) y el ratio elastográfico.

Resultados Existe una relación significativa y positiva entre el resultado citológico de Bethesda V/VI y los kPas/ratio elastográfico. Se recomienda realizar PAAF a aquellos nódulos con valores superiores a 25kPa y/o ratio elastográfico superior a 1,5.

Conclusión La elastografía cuantitativa es una herramienta útil que, junto a otros parámetros ecográficos, ayudaría a predecir o sospechar la malignidad de un nódulo tiroideo y a una mejor selección para la PAAF.

Abstract

Objective To retrospectively assess the diagnostic capacity of quantitative elastography to determine the odds between benign and malignant thyroid nodules, and determine its usefulness in deciding which nodules should be subjected to fine needle aspiration puncture (FNA).

Patients and methods 203 thyroid nodules from 195 patients referred by the Endocrinology Service for cytological study during the year 2018 were analyzed. All of them underwent conventional ultrasound, quantitative elastography and FNA. A statistical analysis was performed using logistic regression that relates the probability that a nodule is suspected of malignancy and the elasticity value measured in kilopascals (kPa) and the elastographic ratio.

Results There is a significant and positive relationship between the cytological result of Bethesda V / VI and the kPas / elastographic ratio. FNA is recommended for those nodules with values greater than 25kPa and / or elastographic ratio greater than 1.5.

Conclusion Quantitative elastography is a useful tool that, together with other ultrasound parameters, would help to predict the malignancy of a thyroid nodule and to better select for FNA.

Palabras clave

Sonoelastografía - Nódulos tiroideos - Biopsia - Aspiración con aguja fina - Regresión logística

Keywords

Sonoelastography - Thyroid nodules - Biopsies - Fine-needle aspiration - Logistic regression

Responsabilidades Éticas

Protección de personas y animales. Los autores declaran que para esta investigación no se han realizado experimentos en seres humanos ni en animales.


Confidencialidad de los datos. Los autores declaran que han seguido los protocolos de su centro de trabajo sobre la publicación de datos de pacientes.


Derecho a la privacidad y consentimiento informado. Los autores declaran que en este artículo no aparecen datos de pacientes.


Nota

Los autores garantizan que la investigación respeta las pautas éticas de la institución a la que pertenecemos, y la Declaración de Helsinki de 1975, con la revisión de octubre de 2000.




Publication History

Received: 09 October 2019

Accepted: 09 October 2020

Article published online:
21 December 2021

© 2021. Asociación Civil Sociedad Argentina de Radiología and Federacion Argentina de Asociaciones de Radiología, Diagnóstico por Imágenes y Terapia Radiante. This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commecial purposes, or adapted, remixed, transformed or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/)

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