4Jenny K, Hoang, MBBS, et al. US Features of Thyroid Malignancy: Pearls and Pitfalls. RadioGraphics ,2007,27:847-865.
5Fukunari N, Nagahama M, Sugino K, et at. Clinical Evaluation of color Doppler imaging for the differential diagnosis of thyroid follicular Iesions. World J Surg,2004,28 : 1261-1265.
6Khoo ML, Asa SL, Witterick I J, et al. Thyroid calcification and its association with thyroid carcinoma. Head Neck,2002,24:651-655.
7Solbiati L, Osti V, Cova L, et al. Ultrasound of thyroid, parathyroid glands and neck lymph nodes. European Radiology, 2001,11 : 2411- 2424.
8Kessler A, Rappaport Y, Blank A, et al. Cystie appearance of cervical lymph nodes is eharaeteristie of metastatic papillary thyroid carcinoma. J Clin Ultrasound,2003,31 : 21-25.
9Senehenkov A, Staren ED. Ultrasound in head and neck surgery:thyroid ,parathyroid ,and cervical lymph nodes. Surg Clin North Am,2004, 84 973-1000.
10Sanja K, lreua B,Vanja T,et a/. Uhrasonographie Differentiation of Benign From Malignant Neck Lymphadenopathy in Thyroid Caneer. J Ultrasound Med ,2006,25 : 1531-1537.
