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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 and Technology, 32, (6), pp. 498-504. (doi:10.1080/03091900701695533).

Record type: Article

Abstract

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.

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More information

Published date: 3 December 2007
Keywords: ultrasound imaging, validation study, accuracy, probe configuration, phantom

Identifiers

Local EPrints ID: 55258
URI: http://eprints.soton.ac.uk/id/eprint/55258
ISSN: 0309-1902
PURE UUID: d0e671e6-d26f-4dca-a112-915adf671014
ORCID for M.B. Warner: ORCID iD orcid.org/0000-0002-1483-0561
ORCID for M.J. Stokes: ORCID iD orcid.org/0000-0002-4204-0890

Catalogue record

Date deposited: 15 Aug 2008
Last modified: 17 Jul 2017 14:33

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