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Case Reports in Surgery
Volume 2013, Article ID 241678, 5 pages
http://dx.doi.org/10.1155/2013/241678
Case Report

Metachronous Colon Metastasis to the Thyroid: A Case Report and Literature Review

1General Surgery B Department, Carmel Medical Center, 34362 Haifa, Israel
2Minimally Invasive Surgery, Surgery B Department, Carmel Medical Center, 34362 Haifa, Israel

Received 8 August 2013; Accepted 9 September 2013

Academic Editors: D. J. Bentrem and Y. Rino

Copyright © 2013 Dvir Froylich et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

The thyroid gland is a known site for metastatic tumors from various primary sites. Thyroid metastases are not an exceptional finding at autopsy, and they are encountered in 2% to 9% of the patients with malignant neoplasm. The most frequent tumors to metastasize are breast, lung, melanoma, and kidney carcinomas. Despite the fact that it is one of the largest vascular organs in the body, clinical and surgical cases have given an incidence of 3% of secondary malignances of this organ. Metastatic colon carcinoma to the thyroid gland has been reported, and it is not as rare as one might think. We present a very unique case of colon carcinoma metastasis to the right thyroid lobe and lung five years after colon resection, with reoccurrence two years later in the contralateral thyroid lobe. The literature regarding colon cancer metastasizing to the thyroid gland was reviewed with an attempt to disclose features of this presentation regarding patient’s prognosis.