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Thyroid Metastasis from Renal Cell Carcinoma Eight Years after Total Nephrectomy

Coralie Mettavant, Patrick Saint-Eve, Pierre Cuny and Bachir Elias

Introduction: Metastases to the thyroid gland are rare in clinical practice. 12 to 34% of secondary thyroid tumors originate from renal carcinoma. We report a case of late thyroid metastasis, eight year after a nephrectomy for clear cell renal carcinoma.

Case: A 70-years-old Caucasian patient followed for a multi-nodular goiter with a history of renal carcinoma, underwent a thyroidectomy. A histological examination revealed clear cell renal carcinoma metastasis to the thyroid.

Conclusion: Metastases to the thyroid gland are usually asymptomatic. The diagnosis of secondary malignant thyroid tumor should be taken into account if there is history of neoplasia, renal in particular, even years after the surgery of the primary tumor.