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使用超声弹性成像对乳腺病变进行鉴别诊断。

Differential diagnosis of breast lesions using ultrasound elastography.

作者信息

Gheonea Ioana Andreea, Stoica Zoia, Bondari Simona

机构信息

Department of Radiology and Imaging, University of Medicine and Pharmacy Craiova, Romania.

出版信息

Indian J Radiol Imaging. 2011 Oct;21(4):301-5. doi: 10.4103/0971-3026.90697.

DOI:10.4103/0971-3026.90697
PMID:22223946
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC3249949/
Abstract

CONTEXT

The recent introduction of elastography has increased the specificity of USG and enabled early diagnosis of breast cancer. Quantitative elastography, especially with strain ratio (SR) index, improves diagnostic accuracy and decreased number of biopsies.

AIMS

The purpose of this study was to assess the role of USG elastography in the differential diagnosis of breast lesions.

SETTINGS AND DESIGN

This prospective study was conducted in the University of Medicine and Pharmacy Research Centre of Craiova.

MATERIALS AND METHODS

Fifty-eight patients diagnosed with breast lesions between January 2009 and January 2010 were included in this prospective study. All the patients were examined in the supine position, and the B-mode USG image was displayed alongside the elastography strain image. For obtaining the elastography images we used a EUS Hitachi EUB 8500 ultrasound system with a 6.5-MHz linear probe. The elastography strain images were scored according to the Tsukuba elasticity score.

STATISTICAL ANALYSIS

We performed receiver operator characteristic (ROC) analysis for assessment of the role of USG elastography in the diagnosis of breast lesions.

RESULTS

We obtained a sensitivity of 86.7% and a specificity of 92.9% for elasticity score and a sensitivity of 93.3% and a specificity of 92.9% for SR (when a cutoff point of 3.67 was used). There was very good correlation between SR and elasticity score (Spearman coefficient of 0.911).

CONCLUSIONS

Elastography is a fast, simple method that can complement conventional USG examination. This method has the lowest cost/efficiency ratio and it is also the most noninvasive and accessible imaging method, with an accuracy comparable to MRI.

摘要

背景

弹性成像技术的近期引入提高了超声检查的特异性，并有助于乳腺癌的早期诊断。定量弹性成像，尤其是应变率（SR）指数，提高了诊断准确性并减少了活检次数。

目的

本研究的目的是评估超声弹性成像在乳腺病变鉴别诊断中的作用。

设置与设计

这项前瞻性研究在克拉约瓦医药大学研究中心进行。

材料与方法

本前瞻性研究纳入了2009年1月至2010年1月期间诊断为乳腺病变的58例患者。所有患者均取仰卧位进行检查，B超图像与弹性成像应变图像同时显示。为获取弹性成像图像，我们使用了配备6.5MHz线性探头的日立EUS EUB 8500超声系统。弹性成像应变图像根据筑波弹性评分进行评分。

统计分析

我们进行了受试者操作特征（ROC）分析，以评估超声弹性成像在乳腺病变诊断中的作用。

结果

弹性评分的敏感性为86.7%，特异性为92.9%；SR的敏感性为93.3%，特异性为92.9%（使用截断点3.67时）。SR与弹性评分之间存在非常好的相关性（Spearman系数为0.911）。

结论

弹性成像是一种快速、简单的方法，可以补充传统超声检查。该方法具有最低的成本效益比，也是最无创且最易获得的成像方法，其准确性与MRI相当。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/421f/3249949/14526ea6abd7/IJRI-21-301-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/421f/3249949/9e37b4779f23/IJRI-21-301-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/421f/3249949/3d9ab208786b/IJRI-21-301-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/421f/3249949/b84f07b9e6ae/IJRI-21-301-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/421f/3249949/c118f5035b97/IJRI-21-301-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/421f/3249949/fbf1b78500c9/IJRI-21-301-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/421f/3249949/f2a901c7b7d9/IJRI-21-301-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/421f/3249949/990f00f01859/IJRI-21-301-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/421f/3249949/336e64cd2e5f/IJRI-21-301-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/421f/3249949/14526ea6abd7/IJRI-21-301-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/421f/3249949/9e37b4779f23/IJRI-21-301-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/421f/3249949/3d9ab208786b/IJRI-21-301-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/421f/3249949/b84f07b9e6ae/IJRI-21-301-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/421f/3249949/c118f5035b97/IJRI-21-301-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/421f/3249949/fbf1b78500c9/IJRI-21-301-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/421f/3249949/f2a901c7b7d9/IJRI-21-301-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/421f/3249949/990f00f01859/IJRI-21-301-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/421f/3249949/336e64cd2e5f/IJRI-21-301-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/421f/3249949/14526ea6abd7/IJRI-21-301-g011.jpg

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