Abstract
Papillary thyroid carcinoma (PTC) is the most common pathological type of differentiated thyroid cancer, which accounts for about 80% of all thyroid carcinomas. PTC has a slow progressing behavior, distant metastases are rare, indicating aggressive behavior of the disease. Bone metastasis of PTC is very rare at around 1-7%. In this case report, the diagnosis and treatment of unusual PTC metastases observed in costa and vertebrae of a 57-year-old male patient is presented. The patient had a history of subtotal thyroidectomy 26 years ago. The presented case indicates that PTC metastases can be observed in unusual areas long after the treatment of the primary tumor.
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