RESUMO
Objective To investigate the application value of ultrasonography in the differential diagnosis of benign and malignant thyroid nodules in the elderly.Methods The ultrasonography data of 117 elderly patients with thyroid nodules confirmed by surgery and pathology were analyzed retrospectively from Jan.2013 to Feb.2015.Their sonogram features were summarized.Results Among 117 cases,there were 82 cases (70.1 ％) with benign thyroid nodules and 35 cases (29.9％) with malignant thyroid tumors according to pathological diagnosis.The accordance rate of ultrasonography for diagnosing the benign and malignant thyroid nodules was 88.0％,and only 14 cases were misdiagnosed.Conclusions Ultrasonography has a good application value in the differential diagnosis of benign and malignant thyroid nodules in the elderly.