6Falk SA. Thyroid disease [M]. Philade phia:Lippincott-Raven,1997. 650-653.
7De los Santos ET, Keyhani-Rofafgha S, Cunningham J J, et al.Cystic Thyroid Nodules[J]. Arch Intern Med, 1990, 150(7):1422-1427.
8Weber AL,Randolph G,Aksoy FG. The Thyroid and Parathyroid Glands:CT and MRI Imaging and Correlation with Pathology and Clinical Findings[J]. Radiol Clin North Am, 2000,38 (5) : 1105-1128.
9STENSON K M,MISHELLE J,TORIUMI D M.Cystic hygroma of the parotid gland[J].Ann Otol Rhinol Laryngol,1991,100(6):518-520.
10YONETSU K,NAKAYAMA E,MIWA K,et al.Magnetic resonance imaging of oral and maxillofacial angiomas[J].Oral Surg Oral Med Oral Pathol,1993,76(6):783-789.
