[Surgery of metastases of differentiated thyroid cancers].

84 (19.5%) of 431 patients with differentiated thyroid cancer developed distant metastases in bone and parenchymal organs. 78% of primary bone metastases and only 21% of primary lung metastases were treated operatively. High survival rates of 33-60% at 5 years supported the necessity of surgical interventions primarily in bone metastases to prevent early morbidity due to pathological fractures. Even in case of questionable increase in survival rate surgery of metastases from differentiated thyroid carcinomas doubtlessly improves the quality of life in these patients.