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Original Article

The efficiency of US elastography in the differential diagnosis of thyroid nodules

Authors:

N. Çetin ,

Department of Radiology, Gazi University School of Medicine, 06510 Besevler, Ankara, TR
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C. Yücel,

Department of Radiology, Gazi University School of Medicine, Ankara, TR
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P. Uyar Göçün,

Department of Medical Pathology, Gazi University School of Medicine, Ankara, TR
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S. Aladag Kurt,

Department of Radiology, Gazi University School of Medicine, Ankara, TR
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F. Taneri,

Department of General Surgery, Gazi University School of Medicine, Ankara, TR
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S. Oktar,

Department of Radiology, Gazi University School of Medicine, Ankara, TR
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H. Özdemir

Department of Radiology, Gazi University School of Medicine, Ankara
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Abstract

Aim: To evaluate the efficiency of ultrasound elastography (USE) in the differential diagnosis of thyroid nodules. Methods: One hundred thyroid nodules in 100 patients (79 females, 21 males, age range 18-78; mean age = 45.6 years) were evaluated with real-time freehand USE, using Hitachi EUB 7500 equipment and elasticity scores were obtained. The elasticity was scored as follows: Score 1, elasticity in the entire nodule; Score 2, mainly elastic nodule with the presence of inelastic areas not constant during real time examination; Score 3, constant inelastic areas prevalently arranged at the periphery of the nodule; Score 4, constant inelastic areas prevalently arranged at the center of the nodule; Score 5, no elasticity in the nodule. Also mean strain ratio values were calculated for all nodules. Results: Eighty-four (86%) of cases were benign and sixteen (16%) were malignant. Elasticity score 3 and higher and strain ratio higher than 2.485 had statistically significant relation with malignancy (p < 0.05). Conclusions: USE including strain ratio calculations besides subjective evaluation of elasticity scores is an efficient imaging method which may contribute to the differential diagnosis of thyroid nodules.
Keywords: Thyroid, US
How to Cite: Çetin N, Yücel C, Uyar Göçün P, Aladag Kurt S, Taneri F, Oktar S, et al.. The efficiency of US elastography in the differential diagnosis of thyroid nodules. Journal of the Belgian Society of Radiology. 2015;98(1):20–6. DOI: http://doi.org/10.5334/jbr-btr.747
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Published on 01 Feb 2015.
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