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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. et al., (2015). The efficiency of US elastography in the differential diagnosis of thyroid nodules. Journal of the Belgian Society of Radiology. 98(1), pp.20–26. DOI: http://doi.org/10.5334/jbr-btr.747
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Published on 01 Feb 2015.
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