Comparison of curvilinear and linear ultrasound imaging probes for measuring cross-sectional area and linear dimensions

Warner, M.B., Cotton, Angela and Stokes, M.J. (2007) Comparison of curvilinear and linear ultrasound imaging probes for measuring cross-sectional area and linear dimensions. Journal of Medical Engineering & Technology, 32, (6), 498-504. (doi:10.1080/03091900701695533).


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The aim of the study was to determine whether different ultrasound probe/transducer configurations produce the same measurements. Two investigators undertook 10 scans of a general purpose semi-solid multi-tissue ultrasound phantom (phantom A) using two ultrasound scanners with a linear and curvilinear probe. From those 10 scans, two measurements of cross-sectional area (CSA), width and thickness were made. These measurements were then repeated with an open-top fluid-filled phantom, with 10% ethanol solution (phantom B). Intra- and inter-rater reliability were examined using Bland and Altman plots. Agreement between measurements made with the two probe types was also assessed using Bland and Altman plots. An independent samples t-test was used to compare statistical differences between probe type configuration. There was a significant difference (p < 0.05) and a tendency for increased measurements in CSA and width, and decreased measurements in thickness when using a curvilinear probe on phantom A, and these differences were not scanner specific. When imaging phantom B there were no significant differences in measurements between probe configurations; however there was a small bias for smaller CSA measurements with a curvilinear probe. In conclusion there are small differences in measurements obtained from different ultrasound probe configurations using a semi-solid phantom, but their clinical significance is unknown.

Item Type: Article
Digital Object Identifier (DOI): doi:10.1080/03091900701695533
ISSNs: 0309-1902 (print)
Related URLs:
Keywords: ultrasound imaging, validation study, accuracy, probe configuration, phantom
Subjects: R Medicine > R Medicine (General)
R Medicine > RZ Other systems of medicine
R Medicine > RD Surgery
Divisions : University Structure - Pre August 2011 > Superseded (SOHPRS)
ePrint ID: 55258
Accepted Date and Publication Date:
3 December 2007Published
Date Deposited: 15 Aug 2008
Last Modified: 31 Mar 2016 12:35

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