Elastography for the evaluation of thyroid nodules in pediatric patients
Gustavo Bittar Cunha1, Luciana Cristante Izar Marino1, André Yamaya1
1Irmandade da Santa Casa de Misericórdia de São Paulo, São Paulo, SP, Brazil.
Objective:
To evaluate the usefulness of elastography (using manual compression) as an additional diagnostic tool for children and adolescents with thyroid nodules.
Materials And Methods:
This was a prospective study conducted between September 2012 and August 2013 at a hospital in Brazil. We performed elastography, ultrasound, and fine-needle aspiration biopsy in 32 patients between 6 and 18 years of age who had, in total, 38 thyroid nodules.
Results:
The elastography findings correlated with the histopathological diagnosis in 78.5% of cases. In three patients, an unnecessary thyroidectomy could have been avoided if the elastography results had been prioritized. Only one malignant thyroid nodule was found to show high elasticity.
Conclusion:
Our results suggest that high elasticity of a nodule on elastography is associated with a low risk of thyroid cancer. If further confirmed in other studies, elastography may prove useful as a complementary test for screening thyroid nodules in children.
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