1Schlosser T, Pohl C, Kuntz-Hehner S, et al. Echoscinti- graphy: a new imaging modality for the reduction of color blooming and acoustic shadowing in contast sonography[-J]. Ultrasound Med Biol, 2003,29 (7) .. 985-991.
3Appetecchia M, Bacaro D, Brigida R, et al. Second generation ultrasonographic contrast agents in the diagnosis of neoplastic thyroid nodules[-J]. J Exp Clin Cancer Res,2006,25(3) :325- 330.
4Zhang B,Jiang YX,Liu JB,et al. Utility of contrast-enhanced ultrasound for evaluation of thyroid nodules [-J. Thyroid, 2010,20(1) : 51-57.
9Bartolotta TV, Midiri M, Galia M, et al. Qualitative and quantitative evaluation of solitary thyroid nodules with con- trast-enhanced ultrasound: initial results [-J]. Eur Radiol, 2006,16(10) : 2234-2241.
1Trimboli P, Guglielmi R, Monti S, et al.Ultrasound sensitivity for thyroid malignancy is increased by real-time elastogra- phy: a prospective muhicemer study [ J ]. Chn Endoerinol Metab,2012,97(12) :4524-4530.
