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Review
. 2018 Jan;4(1):E2-E15.
doi: 10.1055/s-0043-123931. Epub 2018 Feb 7.

How to perform Contrast-Enhanced Ultrasound (CEUS)

Affiliations
Review

How to perform Contrast-Enhanced Ultrasound (CEUS)

Christoph F Dietrich et al. Ultrasound Int Open. 2018 Jan.

Abstract

"How to perform contrast-enhanced ultrasound (CEUS)" provides general advice on the use of ultrasound contrast agents (UCAs) for clinical decision-making and reviews technical parameters for optimal CEUS performance. CEUS techniques vary between centers, therefore, experts from EFSUMB, WFUMB and from the CEUS LI-RADS working group created a discussion forum to standardize the CEUS examination technique according to published evidence and best personal experience. The goal is to standardise the use and administration of UCAs to facilitate correct diagnoses and ultimately to improve the management and outcomes of patients.

Keywords: cancer; guidelines; teaching; ultrasonography.

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Conflict of interest statement

Conflict of Interest Some authors declare conflicts of interest, which are available by the publisher and as supplemetary file.

Figures

Fig. 1
Fig. 1
Malignant focal liver lesions in healthy liver parenchyma show a variable arterial enhancement pattern according to their etiology (rim enhancement in the case of some metastases a and as decisive criteria hypoenhancement in the portal venous (sinusoidal and “liver specific”) phase in comparison to the surrounding liver parenchyma b .
Fig. 2
Fig. 2
Benign focal liver lesions in healthy liver parenchyma show a variable arterial enhancement pattern according to their etiology a and as decisive criteria iso- or hyper-enhancement in the portal venous (sinusoidal and “liver specific”) phase in comparison to the surrounding liver parenchyma b .
Fig. 3
Fig. 3
Time-intensity curve for a bolus injection in a tissue mimicking flow phantom. A lognormal curve (solid line) is fitted to the data and it is used to calculate the important quantification parameters (44) (PI, RT, MTT, and AUC).
Fig. 4
Fig. 4
Low gain setting results in underestimation of the microbubbles located in the microcirculation ( a ). The proper gain setting results in a correct display of microbubbles in both micro- and macrovessels ( b ). High gain results in signal oversaturation and the image is too bright making the distinction between macro and micro-vasculature more difficult ( c ).

References

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