Comparison of Ultrasound Attenuation Imaging Using a Linear versus a Conventional Convex Probe: A Volunteer Study
Olivia Hänni, Lisa Ruby, Catherine Paverd, Thomas Frauenfelder, Marga B. Rominger, Alexander Martin
TL;DR
This study compares ultrasound attenuation imaging using linear and convex probes on healthy volunteers, finding similar results with the linear probe suitable for liver measurements.
Contribution
The study demonstrates the feasibility of using a linear probe for ultrasound attenuation imaging in the liver, comparable to the conventional convex probe.
Findings
The linear probe produced attenuation values consistent with the convex probe in liver measurements.
The region of interest size affected convex probe measurements but not the linear probe.
Both probes showed good agreement in attenuation values when placed in the same liver area.
Abstract
The study aimed to investigate the feasibility of attenuation imaging (ATI) measurements using a linear probe on healthy volunteers and compare measurements with the conventional convex probe. Attenuation imaging measurements of the liver tissue were taken using ultrasound with a convex and a linear probe in 33 volunteers by two examining doctors, and the measurements were repeated 4–5 weeks later by one of them. The ATI values for the linear probe were in the range of the values for the convex probe for both examiners. Measurements did not change significantly for 32 out of 33 volunteers after 4–5 weeks when using the linear probe. The size of the region of interest (ROI) only impacted the ATI values for the convex probe; it did not affect the values taken with the linear probe. Healthy volunteers were measured, and their attenuation values were compared to those from a convex probe,…
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Taxonomy
TopicsLiver Disease Diagnosis and Treatment · Ultrasound Imaging and Elastography · Advanced MRI Techniques and Applications