In a group of 705 cases of thyroid cancer, 30 female patients (4.2%) had malignant tumors of other sites. Primary multiple neoplasms were registered in 5.8% of female cases. Combinations of thyroid cancer with breast or reproductive organs tumors were observed most frequently: 46.6 and 30%, respectively. In 10%, a second tumor was attributed to irradiation for primary malignancy. Three neoplasms were detected in 4 cases and four--in 1 patient. Cancer patients should be followed-up for evaluating treatment results and timely diagnosis of tumors of other sites.
Adolescent Adult