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超声声辐射力脉冲在鉴别浅表淋巴结良恶性中的作用

Role of Ultrasound Acoustic Radiation Force Impulse in Differentiating Benign from Malignant Superficial Lymph Nodes.

作者信息

Chanda Reettika, Kandagaddala Madhavi, Moses Vinu, Sigamani Elanthenral, Keshava Shyamkumar Nidugala, Janakiraman Rajinikanth

机构信息

Department of Radiology, Christian Medical College, Christian Medical College and Hospital, Vellore, Tamil Nadu, India.

Departments of General Pathology, Christian Medical College and Hospital, Vellore, Tamil Nadu, India.

出版信息

J Clin Imaging Sci. 2020 Apr 6;10:18. doi: 10.25259/JCIS_175_2019. eCollection 2020.

DOI:10.25259/JCIS_175_2019
PMID:32363080
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7193147/
Abstract

OBJECTIVE

The purpose of this study was to evaluate the diagnostic performance of acoustic radiation force impulse (ARFI) imaging in differentiating benign from malignant peripheral lymphadenopathy.

MATERIALS AND METHODS

This was a prospective study approved by the Institutional Review Board with financial grant for the same. Ultrasound and ARFI imaging of peripheral lymph nodes were performed and correlated with pathological results, which were used as the reference standard. The virtual touch tissue imaging and virtual touch tissue quantification parameters of ARFI were analyzed in 86 lymph nodes, of which 78 were included in the study. Using receiver operating characteristic curve analysis, the diagnostic usefulness of ARFI values were evaluated with respect to their sensitivity, specificity, and area under the curve.

RESULTS

The mean area ratio of benign lymph nodes was 0.88 (±0.2) and that of malignant lymph nodes was 1.17 (±0.14). The mean shear wave velocities (SWV) of benign and malignant lymph nodes were 2.02 m/s (±0.94) and 3.7 m/s (±2.27), respectively. The sensitivity and specificity of virtual touch imaging area ratio in differentiating benign from malignant lymph nodes was 97% and 77%, of SWV was 71% and 70%, and of SWV ratio was 68% and 79%, respectively.

CONCLUSION

As ARFI was found to have a superior diagnostic performance over conventional ultrasound and color Doppler in the characterization of lymph nodes, we recommend its routine use in differentiating benign from malignant nodes.

摘要

目的

本研究旨在评估声辐射力脉冲（ARFI）成像在鉴别良性与恶性外周淋巴结病变中的诊断性能。

材料与方法

这是一项经机构审查委员会批准并获得相关资金资助的前瞻性研究。对外周淋巴结进行超声及ARFI成像，并与作为参考标准的病理结果进行关联分析。对86个淋巴结的ARFI虚拟触诊组织成像和虚拟触诊组织定量参数进行分析，其中78个纳入研究。采用受试者操作特征曲线分析，从敏感性、特异性和曲线下面积方面评估ARFI值的诊断效用。

结果

良性淋巴结的平均面积比为0.88（±0.2），恶性淋巴结为1.17（±0.14）。良性和恶性淋巴结的平均剪切波速度（SWV）分别为2.02 m/s（±0.94）和3.7 m/s（±2.27）。虚拟触诊成像面积比鉴别良性与恶性淋巴结的敏感性和特异性分别为97%和77%，SWV分别为71%和70%，SWV比值分别为68%和79%。

结论

由于发现ARFI在淋巴结特征鉴别方面比传统超声和彩色多普勒具有更优的诊断性能，我们建议将其常规用于鉴别良性与恶性淋巴结。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/15d7/7193147/19dca2cc9cb6/JCIS-10-18-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/15d7/7193147/0e06aeb891ef/JCIS-10-18-g001.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/15d7/7193147/247accd73492/JCIS-10-18-g006.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/15d7/7193147/cb62fcae5b64/JCIS-10-18-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/15d7/7193147/19dca2cc9cb6/JCIS-10-18-g009.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/15d7/7193147/9028cf12ab7f/JCIS-10-18-g002.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/15d7/7193147/1cd0f6b4e512/JCIS-10-18-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/15d7/7193147/cb62fcae5b64/JCIS-10-18-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/15d7/7193147/19dca2cc9cb6/JCIS-10-18-g009.jpg

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