Head and Neck Imaging
Application of Color Doppler Ultrasound and DWI in the Preoperative Period of Patients with Thyroid Cancer
Author：WANG Jun-ming, PENG Gui, XIE Zhi-feng
affiliation：Department of Functional, Panzhihua General Hospital, Panzhihua 617023, Sichuan Province, China
PDFAbstract
Objective To explore the clinical value of color Doppler flow imaging (CDFI) and diffusion-weighted imaging (DWI) in the preoperative diagnosis of thyroid cancer. Methods The clinical data of 30 patients with thyroid cancer were analyzed retrospectively. The results of histological examination of intraoperative lymph node dissection pathological specimen were taken as gold standard to analyze the diagnostic efficacy of preoperative CDFI, DWI and their combination in cervical lymph node metastasis. Results The accuracies of DWI and the two combination in diagnosing lymph node metastasis in central area and lateral neck area were significantly higher than those of CDFI (all P<0.05). The combination of the two methods had good consistency with the diagnostic results of gold standard (Kappa>0.7). Conclusion Compared with CDFI, DWI can assess the preoperative cervical lymph node metastasis in patients of thyroid cancer with high accuracy. The combination of the two can reduce the rate of misdiagnosis or missed diagnosis, and it is helpful to improve the safety of surgery.
【Keyword】Color Doppler Ultrasound; Diffusion-weighted Imaging; Thyroid Cancer; Preoperative; Lymph Node Metastasis
【Chart number】R736.1；R730.4
【Document Identification Number】A
【DOI】 10.3969/j.issn.1672- 5131.2019.06.012
Chinese journal of CT and MRI
th17Volume， th 6 Issue
2019Year06Month
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