Metastatic Renal Cell Carcinoma to the Thyroid Gland: A Case Report and Brief Review of the Literature

Kyriakos, Georgios; Casariego, Alfonso Vidal; Taibo, Rocio Villar; Ariño, Teresa Ribas; Ballesteros Pomar, Maria D.; Rodriguez, Isidoro Cano
June 2014
Turkish Journal of Endocrinology & Metabolism;6/1/2014, Vol. 18 Issue 2, p58
Academic Journal
Thyroid metastases are rarely seen in clinical practice but should be considered particularly in patients with a history of non-thyroidal malignancies. Renal cell carcinoma (RCC) is the most common tumor to metastasize to the thyroid gland and may present many years after a nephrectomy. Thus, patients require a long-term follow-up and, physicians should have a high index of suspicion particularly in patients with benign disorders of the thyroid gland. Fine needle aspiration cytology (FNAC) and thyroglobulin immunohistochemical staining are considered the most effective methods for diagnosis. Surgical treatment of solitary thyroid metastases is recommended and prolongs survival. Adjuvant medical treatment may also be useful in specific situations. We present the unusual case of a relative young patient with goiter who presented with an intrathyroidal metastasis of RCC.


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