Publication: Intrathyroidal ectopic thymus and sonoelastographic findings
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KU Authors
Co-Authors
Sağtaş, Ergin
Çolakoğlu, Bülent
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Embargo Status
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Abstract
Background: Intrathyroidal ectopic thymus (IET) can be misdiagnosed as thyroid nod-ules. Purpose: The purpose of this study is to evaluate the sonoelastographic findings of IET in pediatric population. Methods: Twelve children who had been examined with ultrasound (US) and strain elastography between December 2012 and December 2019 were included in this retrospective study. The pa-tients' demographics and ultrasonographic findings, including the location, margin, shape, diame-ters, volume, structure, vascularity, and elastography values of the lesions were evaluated. Results: Twelve lesions were detected in 12 asymptomatic patients (3 females and 9 males) with a mean age of 4.67 +/- 2.27 years. The most common location of the IET was in posterior part and mid-dle third of thyroid, and the most common appearance on US was a well-defined, ovoid-shaped, and predominantly hypoechoic solid lesion with punctate/linear branching hyperechogenities. The lesions were mostly hypovascular on Doppler US. The mean strain ratio on elastography was found to be 1.10 +/- 0.04. In the follow-up of 7 patients with available information, there was no sig-nificant change in size or appearance of IET on US. Conclusion: IET should be considered in the differential diagnosis of the lesions within the thy-roid. The first step to accurately diagnose an IET is to consider it in the differential diagnosis. In ad-dition to US, strain elastography findings can be used to distinguish IETs from papillary thyroid cancers which can have similar US appearance, and help avoid unnecessary biopsies.
Source
Publisher
Bentham Science Publ Ltd
Subject
Radiology, Nuclear medicine, Medical imaging
Citation
Has Part
Source
Current Medical Imaging
Book Series Title
Edition
DOI
10.2174/1573405617666210329095227