摘要目的研究甲状腺结节的超声(US)特征与典型的甲状腺乳头状癌(PTC)肿瘤复发的相关性。材料与方法本回顾性研究经过机构伦理委员会批准,免除了病人知情同意书。2003年1月—2006年2月间,共有515例病人[年龄(45.8±13.2)岁;范围17~80岁]行甲状腺全切除术和中央组淋巴结清扫术,并且PTC超过10 mm,随访12个月以上。PTC的恶性表现定义为至少有一个可疑US征象:包括明显的低回声、边缘不规则或细小分叶、细小钙化、纵径大于横 Abstract Objective To study the correlation between the characteristics of thyroid nodules (US) and the recurrence of typical thyroid papillary carcinoma (PTC). Materials and Methods The retrospective study was approved by the Institutional Ethics Committee without the patient’s informed consent. A total of 515 patients (45.8 ± 13.2 years of age; range, 17 to 80 years) underwent total thyroidectomy and central lymph node dissection between January 2003 and February 2006 with PTC> 10 mm followed up 12 More than a month. Malignant manifestations of PTC are defined as at least one suspicious US sign: including marked hypoechoic, irregular or small marginal lobes, fine calcification, longitudinal diameter greater than transverse