1. Ahmed SR, Ball DW. Incidentally discovered medullary thyroid cancer: diagnostic strategies and treatment. J Clin Endocrinol Metab 2011; 96(5): 1237–45.
2. Machado NO, Chopra PJ, Raouf ZR, Khatib NJ. Axillary lymph node metastasis from thyroid malignancy: Unusual presentation with ominous implications. Br J Med Med Res. 2013; 3(4): 1634–45.
3. Ozdemir M, Makay O, Simsir I, Ertan Y, Icoz G, Saygili F, et al. Medullary Carcinoma of the Thyroid With Axillary Metastasis: A Case Report. Int Surg J. 2015; 100(3): 390-93.
4. Siironen P, Hagström J, Mäenpää HO, Louhimo J, Arola J, Haglund C. Lymph node metastases and elevated postoperative calcitonin: Predictors of poor survival in medullary thyroid carcinoma. Acta Oncol. 2016; 55(3): 357–64.
5. Jana T, Nichols TA, Pitman KT. Medullary Thyroid Cancer. Encyclopedia of Otolaryngology, Head and Neck Surgery. First edition. Heidelberg: Springer; 2013: 1628–36.