**Author details**

Mira Siderova1,2\*

\*Address all correspondence to: mirasiderova@abv.bg

1 Medical University of Varna, Bulgaria

2 University Hospital "St. Marina" Varna, Clinic of endocrinology and metabolic diseases, Bulgaria

[10] Cardis E, Krewski D, Boniol M, Drozdovitch V, Darby S, Gilbert E, et al. Estimates of the cancer burden in Europe from radioactive fallout from the Chernobyl accident.

Thyroid Cancer: Diagnosis, Treatment and Follow-Up http://dx.doi.org/10.5772/intechopen.77163 65

[11] Campanella P, Ianni F, Rota CA, Corsello SM, Pontecorvi A. Quantification of cancer risk of each clinical and ultrasonographic suspicious feature of thyroid nodules: A systematic review and meta-analysis. European Journal of Endocrinology. 2014;**170**:R203-R211.

[12] Gharib H, Papini E, Paschke R, Duick DS, Valcavi R, Hegedüs L, Vitti P. AACE/AME/ ETA medical guidelines for clinical practice for the diagnosis and management of thy-

[13] Boelaert K, Horacek J, Holder RL, Watkinson JC, Sheppard MC, Franklyn JA. Serum thyrotropin concentration as a novel predictor of malignancy in thyroid nodules investigated by fine-needle aspiration. Journal of Clinical Endocrinology and Metabolism.

[14] Biondi B, Filetti S, Schlumberger M. Thyroid hormone therapy and thyroid cancer: A reassessment. Nature Clinical Practice. Endocrinology & Metabolism. 2005;**1**:32-40. DOI:

[15] Paschke R, Hegedüs L, Alexander E, Valcavi R, Papini E, Gharib H. Thyroid nodule guidelines: Agreement, disagreement and need for future research. Nature Reviews

[16] Schlumberger M, Pacini F, Tuttle RM. Thyroid tumors. 4th ed. ESTIMPRIM; 2016. ISBN

[17] Sipos JA. Advances in ultrasound for the diagnosis and management of thyroid cancer.

[18] Moon WJ, Baek JH, Jung SL, Kim DW, Kim EK, Kim JY, et al. Korean Society of Thyroid Radiology (KSThR); Korean Society of Radiology. Ultrasonography and the ultrasoundbased management of thyroid nodules: Consensus statement and recommendations.

[19] Gürsoy A, Erdoğan MF. Ultrasonographic approach to thyroid nodules: State of art.

[20] Iared W, Shigueoka DC, Cristofoli JC, Andriolo R, Atallah AN, Ajzen SA, et al. Use of color Doppler ultrasonography for the prediction of malignancy in follicular thyroid neoplasms: Systematic review and meta-analysis. Journal of Ultrasound in Medicine.

[21] Sprindzuk M. Angiogenesis in malignant thyroid Tumors. World Journal of Oncology.

[22] Bonavita JA, Mayo J, Babb J, Bennett G, Oweity T, Macari M, et al. Pattern recognition of benign nodules at ultrasound of the thyroid: Which nodules can be left alone? American

Journal of Roentgenology. 2009;**193**:207-213. DOI: 10.2214/AJR.08.1820

Korean Journal of Radiology. 2011;**12**:1-14. DOI: 10.3348/kjr.2011.12.1.1

Thyroid. 2009;**19**(12):1363-1372. DOI: 10.1089/thy.2009.1608

roid nodules. Endocrine Practice. 2010;**16**(Suppl 1):1-42. DOI: 10.4158/10024.GL

International Journal of Cancer. 2006;**119**:1224-1235. DOI: 10.1002/ijc.22037

DOI: 10.1016/S0140-6736(03)12488-9

2006;**91**:4295-4301. DOI: 10.1210/jc.2006-0527

10.1038/ncpendmet0020

978-2-7466-7881-1

2010;**29**:419-425

Endocrinology. 2011;**7**:354-361

Thyroid International. 2012;**3**:1-15

2010;**1**(6):221-231. DOI: 10.4021/wjon263e
