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Lyshchik, A., Higashi, T., Asato, R., Tanaka, S., Ito, J., Mai, J.J., Pellot-Barakat, C., Insana, M.F., Brill, A.B., Saga, T., Hiraoka, M. and Togashi, K. (2005) Thyroid Gland Tumor Diagnosis at US Elastography. Radiology, 237, 202-211. http://dx.doi.org/10.1148/radiol.2363041248

has been cited by the following article:

• TITLE: Real Time Ultrasound Elastography for the Differentiation of Benign and Malignant Thyroid Nodules

  AUTHORS: Hamad Elniel H. Eltyib, Ibrahim A. Awad, Naglaa M. Elsayed, Saddig D. Jastaniah

  KEYWORDS: Elastography; Real-Time; Thyroid Nodules; Ultrasound; Malignant

  JOURNAL NAME: Open Journal of Medical Imaging, Vol.4 No.1, March 26, 2014

  ABSTRACT: The purpose of this study was to evaluate the predictive value of real-time ultrasound elastography (RUE) in differentiating benign from malignant thyroid nodules, with fine needle aspiration cytology analysis as the reference standard. A total of 78 consecutive patients with thyroid nodules who were selected for fine needle aspiration biopsies were examined in this prospective study. 78 nodules in these patients were examined by conventional ultrasound, and ultrasound elastography. The final diagnosis was obtained from cytological findings. Tissue stiffness on ultrasound elastography was scored from 1 (low stiffness over the entire nodule) to 5 (high stiffness over the entire nodule and surrounding tissue). On real-time ultrasound elastography, 47 of 62 benign nodules (76%) had a score of 1 or 2, whereas 15 of 16 malignant nodules had a score of 3 to 5, with sensitivity of 93.7%, specificity of 90%, a positive predictive value of 71%, and a negative predictive value of 98%. Real-time ultrasound elastography is a promising imaging technique that is useful in the differential diagnosis of thyroid cancer. Utilization of ultrasound elastography could reduce the rate of thyroid biopsies because of its high elasticity being highly associated with benign cytology.