Breast Imaging a Core Review Second Edition Epub

Review

doi: 10.14366/usg.13012. Epub 2013 November 26.

Practice guideline for the performance of breast ultrasound elastography

Jung Min Chang ¹ , Nariya Cho ^ane , Hye Ryoung Koo ² , Ann Yi ^three , Seung Ja Kim ³ , Ji Hyun Youk ^iv , Eun Ju Son ⁴ , Seon Hyeong Choi ^five , Shin Ho Kook ⁵ , Jin Chung ⁶ , Eun Suk Cha ^vi , Jeong Seon Park ⁷ , Hae Kyoung Jung ⁸ , Kyung Hee Ko ⁸ , Hye Young Choi ⁹ , Eun Bi Ryu ^ten , Woo Kyung Moon ¹ , Korean Chest Elastography Report Group

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• PMID: 24936489
• PMCID: PMC4058975
• DOI: 10.14366/usg.13012

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Review

Practice guideline for the functioning of breast ultrasound elastography

Su Hyun Lee  et al. Ultrasonography. 2014 Jan .

Free PMC article

Abstract

Ultrasound (Us) elastography is a valuable imaging technique for tissue label. 2 main types of elastography, strain and shear-wave, are commonly used to image breast tissue. The use of elastography is expected to increase, particularly with the increased use of United states of america for breast screening. Recently, the US elastographic features of breast masses have been incorporated into the 2nd edition of the Breast Imaging Reporting and Data System (BI-RADS) U.s.a. dictionary as associated findings. This review suggests applied guidelines for breast The states elastography in consensus with the Korean Breast Elastography Study Grouping, which was formed in August 2013 to perform a multicenter prospective study on the utilize of elastography for US breast screening. This article is focused on the office of elastography in combination with B-mode U.s.a. for the evaluation of breast masses. Practical tips for acceptable data conquering and the interpretation of elastography results are too presented.

Keywords: Breast, neoplasms; Elasticity imaging techniques; Ultrasonography.

Figures

Fig. 1.. Strain elastographic images of breast masses.

A. V-point scale elasticity scores (Tsukuba score) with increasing probability of malignancy. A score of 1 indicates even strain throughout the entire hypoechoic lesion; a score of 2 indicates strain in most of the hypoechoic lesion with some areas of no strain; a score of iii indicates strain at the periphery of the hypoechoic lesion with sparing of the center of the lesion; a score of four indicates no strain throughout the unabridged hypoechoic lesion; and a score of v indicates no strain throughout the unabridged hypoechoic lesion or in the surrounding expanse. B. An aliasing artifact that appears as a blue-green-cherry (BGR) blueprint tin can be seen in a unproblematic cyst. Note that a colour lawmaking of red indicates soft, and bluish is hard.

Fig. 2.. Shear-wave elastographic images of breast masses.

A. The ranges of maximum elasticity value according to the maximum elasticity color of breast masses are shown using a default color scale that ranges from 0 to +180 kPa. The maximum elasticity colors on shear-wave elastography (SWE) tin can be classified into three categories: dark blue and light bluish indicating soft elasticity, light-green and orange indicating intermediate elasticity, and ruby indicating hard elasticity. B. A signal-void area (arrow) appears in a simple cyst.

Fig. 3.. A flowchart showing the combination of B-style and elastographic results for the evaluation of breast masses.

Positive or negative elastographic results acquired on either strain elastography (SE) or shearwave elastography (SWE) can change the Breast Imaging Reporting and Information Organization (BI-RADS) category of breast masses. For the breast masses that present equivocal elastographic results, the B-mode ultrasound findings should be considered preferentially. E(+), positive outcome on SE or SWE; E(-), negative result on SE or SWE.

Fig. 4.. Representative good and poor quality elastographic images.

A. Good quality images on SE can be defined by a loftier signal-to-noise ratio in the region of interest. B. Poor quality images were acquired due to probe slipping (left) and a securely located lesion or thick breast (right) on strain elastography. C. Good quality images with the typical advent of a benign (left) and cancerous mass (right) on shear-moving ridge elastography (SWE). D. A beneficial mass can exhibit increased stiffness when the SWE image was acquired using compression (left). Artifacts can announced on SWE images (correct) in the pare and chest wall (arrows).

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