Metastatic disease of bronchial carcinoma in a thyroid nodule: a case report.

Metastatic spread of solid tumors to the thyroid is a rare finding in patients with thyroid nodules. The most frequent sites of the primary tumor include the kidney, breast and lung. Work up of patients with a cold thyroid nodule and a history of cancer should therefore rule out other metastasizing cancer or recurrence of the previous tumor using fine-needle aspiration of the thyroid mass. We report the case of a 64-year-old male with metastatic spread of a bronchial carcinoma to the thyroid and the management of this case.