1. Nakamura K, Nozawa K, Aoyagi Y, Ishihara S, Matsuda K, Fukushima J, Watanabe T. A case report of thyroid gland metastasis associated with lung metastasis from colon cancer. Tumori. 2011;97:229–32.
2. Calzolari F, Sartori PV, Talarico C, Parmeggiani D, Beretta E, Pezzullo L, Bovo G, Sperlongano P, Monacelli M, Lucchini R, et al. Surgical treatment of intrathyroid metastases: preliminary results of a multicentric study. Anticancer Res. 2008;28:2885–8.
3. Goatman C, Goldsmith PJ, Antonopoulos V, Ali B. Metastasis of colorectal adenocarcinoma to the thyroid: a case report and review of the literature. Case Rep Surg. 2012;2012:179407.
4. Poon D, Toh HC, Sim CS. Two case reports of metastases from colon carcinoma to the thyroid. Ann Acad Med Singapore. 2004;33:100–2.
5. Cheung WY, Brierley J, Mackay HJ. Treatment of rectal cancer metastases to the thyroid gland: report of two cases. Clin Colorectal Cancer. 2008;7:280–2.