Using Ultrasonography to Evaluate the Relationship between Capsular Invasion or Extracapsu

Using Ultrasonography to Evaluate the Relationship between Capsular Invasion or Extracapsular Extension and Lymph Node Metastasis in Papillary Thyroid Carcinomas

Wei?Ping Jiao;Lei Zhang

【期刊名称】《中华医学杂志（英文版）》 【年(卷),期】2017(000)011

【摘要】Background: Previous studies have demonstrated that ultrasonography

is

the

recommended

imaging

modality

for

preoperative staging of papillary thyroid carcinomas (PTCs). However, only a few studies have kept watch on preoperative evaluation of capsular invasion (CI) or extracapsular extension (ECE) and cervical lymph node metastasis using preoperative ultrasonography. This study aimed to investigate the relationship between the CI or ECE and the cervical lymph node metastasis in PTCs using preoperative ultrasonography and postoperative pathology in Chinese patients. Methods: The data of preoperative ultrasonography and postoperative pathology of 166 patients who had a definitive diagnosis of PTCs from October 2011 to July 2014 at Xuanwu Hospital, Beijing were collected and reviewed. Preoperative ultrasonic parameters of thyroid nodules were compared with those of postoperative pathological diagnoses. All the patients were divided into bilateral PTCs group (n = 42, 78 nodules)

and unilateral PTCs group (n = 124, 124 nodules), and the data of the nodule sizes, CI or ECE, and cervical lymph node metastasis by preoperative ultrasonography were compared between two groups. Results:Atotal of 202 nodules of 166 patients which were confirmed by preoperative ultrasonography and postoperative pathology were analyzed. Hypoechogenicity (n = 201, 99.5%) and irregular margins (n = 167, 82.7%) were the main ultrasonic characteristics of PTCs. A significant moderate agreement between preoperative ultrasonic examination

and

postoperative

pathology

for

CI

or

ECE(κ=0.622,P<0.001)was observed. The diagnostic sensitivity was 92.0%, and specificity was 71.1%. In bilateral PTCs group, 81.0% had CI or ECE, and 61.9% had cervical lymph node metastasis. In unilateral PTCs group, 76.6% had CI or ECE, and 58.1% had cervical lymph node metastasis. There were no significant differences in the incidence of CI or ECE and cervical lymph node metastasis between two groups (all P > 0.05). Conclusions: Ultrasonography was proved to be a valuable method for preoperative diagnosis of PTCs. Hypoechogenicity and irregular margins were strongly associated with PTCs. CI or ECE in unilateral PTCs strongly implied the cervical lymph node metastasis. Therefore, the cervical lymph nodes should be carefully examined by ultrasonography in patients with PTCs. 【总页数】5页(1309-1313)

【关键词】

【作者】Wei?Ping Jiao;Lei Zhang

【作者单位】Department of Ultrasound, Beijing Xuanwu Hospital, Capital Medical University, Beijing 100053, China;Department of Cardiology, Beijing Xuanwu Hospital, Capital Medical University, Beijing 100053, China 【正文语种】英文 【中图分类】 【文献来源】

https://www.zhangqiaokeyan.com/academic-journal-cn_chinese-medical-journal_thesis/0201254222317.html 【相关文献】

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