近年来，随着健康体检的推广，甲状腺结节发现率有所提高，但是对于结节性质的确定还有待提高。
甲状腺癌发病占全身肿瘤的1%，却是内分泌系统最常见的恶性肿瘤。微小核糖核酸( Mico Ribonucleic Acid，MicroRNA)
的发现使人们对甲状腺癌的诊断有了进一步的认识，且在不同甲状腺癌的病理类型中存在血清MicroRNA
的表达异常。超声弹性成像反映的是组织的硬度，应用超声弹性成像对甲状腺可疑结节进行弹性评分，
对于甲状腺癌的早期诊断具有显著意义。

In recent years，with the promotion of physical examination， the detection rate of thyroid
nodules has improved，but for determining the nature of the nodules， it＇s still need to be improved．Thyroid
cancer＇s morbidity is 1%of the whole body tumors，but it is the most common malignancy of the endocrine
system．The discovery of micro ribonucleic acid( Micro RNA) makes people have a further understanding
of the diagnosis of thyroid cancer． It has been reported that the abnormal expression of
serum MicroRNA exist in different pathological types of thyroid cancer．Ultrasound elastography reflects
the hardness of the organization． The application of ultrasound elastography for suspicious thyroid
nodules elasticity score have significant meaning for early diagnosis of thyroid cancer．

R736．1

 收稿日期: 2016－01－07; 修回日期: 2016－03－11
基金项目: 内蒙古医科大学科技百万工程项目( YKD 2013 KJBW007)
作者简介: 武秀娟( 1989－) ，女，内蒙古医科大学2013 级在读硕士研究生。
通讯作者: 张英霞，主任医师，硕士研究生导师，E－mail: zhangyingxia117@ sina．com 内蒙古医科大学附属医院超声科，
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