Value of Three-dimensional Tomographic Ultrasound Combined with Contrast-enhanced Ultrasound in the Evaluation in Patients with DTC

doi:10.7517/issn.1674-0475.210522

Abstract

Abstract: The purpose of this study was to investigate the value of three-dimensional tomographic ultrasound imaging combined with contrast-enhanced ultrasound in the evaluation of cervical lymph node properties and extra-adenal invasion in patients with differentiated thyroid cancer (DTC). Nighty-three patients with DTC were selected, three dimensional tomographic ultrasound imaging combined with contrast-enhanced ultrasound was performed. The ratio of long to short diameter was lower than 1.5, disappearance of lymphatic portal structure, mixed blood flow, centripetal angiography, heterogeneous angiography of metastatic lymph nodes were significantly higher than those of non metastatic lymph nodes (P<0.05). Logistic regression analysis showed that the ratio of long to short diameter, the structure of lymph nodes, the mode of angiography, the degree of angiography, PI, MTT and TTP were the influencing factors of metastatic lymph nodes (P<0.05). Logistic regression analysis showed that the extension and breakthrough of thyroid capsule, MTT and TTP were the influencing factors of metastatic lymph nodes (P<0.05). Three dimensional tomographic ultrasound combined with contrast-enhanced ultrasound has a good effect in the evaluation of cervical lymph node metastasis and extra-glandular invasion in patients with DTC.

Key words: three-dimensional tomographic ultrasound imaging, contrast enhanced ultrasound, differentiated thyroid cancer, cervical lymph node metastasis, extra-glandular invasion

ZAHNG Shuo, WANG Shuwen, GUO Xuemin, XU Hong, WANG Yanxiang, ZHANG Xia, YANG Li. Value of Three-dimensional Tomographic Ultrasound Combined with Contrast-enhanced Ultrasound in the Evaluation in Patients with DTC[J]. IMAGING SCIENCE AND PHOTOCHEMISTRY, 2021, 39(6): 896-901.

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